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Your search:
Author = Wildt, D
Limited to:National Zoological Park
Resulted in: 412 items


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Comizzoli, Pierre and Wildt, David E. 2014. Mammalian fertility preservation through cryobiology: value of classical comparative studies and the need for new preservation options. Reproduction, Fertility and Development, 26(1): 91-98. doi:10.1071/RD13259

Fujihara, Mayako, Comizzoli, Pierre, Keefer, Carol L., Wildt, David E. and Songsasen, Nucharin. 2014. Epidermal Growth Factor (EGF) Sustains In Vitro Primordial Follicle Viability by Enhancing Stromal Cell Proliferation via MAPK and PI3K Pathways in the Prepubertal, but Not Adult Cat Ovary. Biology of Reproduction, 90(4) doi:10.1095/biolreprod.113.115089

Johnson, Amy E. M., Freeman, Elizabeth W., Wildt, David E. and Songsasen, Nucharin. 2014. Spermatozoa from the maned wolf (Chrysocyon brachyurus) display typical canid hyper-sensitivity to osmotic and freezing-induced injury, but respond favorably to dimethyl sulfoxide. Cryobiology, 68(3): 361-370. doi:10.1016/j.cryobiol.2014.04.004

Nájera, Fernando, Brown, Janine, Kaufman, Krystle, Schwartz, Rick, Goodrowe, Karen, Asaithanmakul, Wisit, Aitken-Palmer, Copper, Kongprom, Urarikha, Wildt, David E. and Bush, Mitchell. 2014. Swimmer Syndrome in a Clouded Leopard (Neofelis Nebulosa) Cub. Journal of Zoo and Wildlife Medicine, 45(2): 386-388. doi:10.1638/2012-0289R2.1

Pukazhenthi, Budhan S., Johnson, Aime, Guthrie, H. David, Songsasen, Nucharin, Padilla, Luis R., Wolfe, Barbara A., da Silva, Marco Coutinho, Alvarenga, Marco A. and Wildt, David E. 2014. Improved Sperm Cryosurvival in Diluents Containing Amides versus Glycerol in the Przewalski's Horse (Equus ferus przewalskii). Cryobiology, 68(2): 205-214. doi:10.1016/j.cryobiol.2014.01.013

Graves-Herring, Jennifer, Wildt, David E. and Comizzoli, Pierre. 2013. Retention of Structure and Function of the Cat Germinal Vesicle after Air-Drying and Storage at Supra-Zero Temperature. Biology of Reproduction, 88(6): 1-7. doi:10.1095/biolreprod.113.108472

Schook, Mandi W., Wildt, David E., Weiss, Rachael B., Wolfe, Barbara A., Archibald, Kate E. and Pukazhenthi, Budhan S. 2013. Fundamental Studies of the Reproductive Biology of the Endangered Persian Onager (Equus hemionus onager) Result in First Wild Equid Offspring from Artificial Insemination. Biology of Reproduction, 89(2): 41 doi:10.1095/biolreprod.113.110122

Aitken-Palmer, Copper, Hou, Rong, Burrell, Caitlin, Zhang, Zhihe, Wang, Chengdong, Spindler, Rebecca, Wildt, David E., Ottinger, Mary Ann and Howard, JoGayle. 2012. Protracted Reproductive Seasonality in the Male Giant Panda (Ailuropoda Melanoleuca) Reflected by Patterns in Androgen Profiles, Ejaculate Characteristics, and Selected Behaviors. Biology of reproduction, 86(6): 195 doi:10.1095/biolreprod.112.099044

Becker, Penny A., Miller, Philip S., Gunther, Micaela Szykman, Somers, Michael J., Wildt, David E. and Maldonado, Jesús E. 2012. Inbreeding Avoidance Influences the Viability of Reintroduced Populations of African Wild Dogs (Lycaon pictus). PLoS ONE, 7(5): 1-11. doi:10.1371/journal.pone.0037181

Blanco, Juan M., Long, Julie A., Gee, George, Wildt, David E. and Donoghue, Ann M. 2012. Comparative cryopreservation of avian spermatozoa: effects of freezing and thawing rates on turkey and sandhill crane sperm cryosurvival. Animal Reproduction Science, 131(1-2): 1-8. doi:10.1016/j.anireprosci.2012.02.001

Comizzoli, Pierre and Wildt, David E. 2012. Centrosomal Functions and Dysfunctions in Cat Spermatozoa. In: Schatten, Heide, The Centrosome. Humana Press, pp.49-58.

Comizzoli, Pierre and Wildt, David E. 2012. On the Horizon for Fertility Preservation in Domestic and Wild Carnivores. Reproduction in Domestic Animals, 47(Supplement S6): 261-265. doi:10.1111/rda.12010

Comizzoli, Pierre, Songsasen, Nucharin S., Hagedorn, Mary M. and Wildt, David E. 2012. Comparative cryobiological traits and requirements for gametes and gonadal tissues collected from wildlife species. Theriogenology, 78(8): 1666-1681. doi:10.1016/j.theriogenology.2012.04.008

Fujihara, Mayako, Comizzoli, Pierre, Wildt, David E. and Songsasen, Nucharin. 2012. Cat and Dog Primordial Follicles Enclosed in Ovarian Cortex Sustain Viability after In vitro Culture on Agarose Gel in a Protein-Free Medium. Reproduction in Domestic Animals, 47(Supplement S6): 102-108. doi:10.1111/rda.12022

Gratwicke, Brian, Lovejoy, Thomas E. and Wildt, David E. 2012. Will Amphibians Croak under the Endangered Species Act? Bioscience, 62(2): 197-202. doi:10.1525/bio.2012.62.2.13

Hagedorn, Mary M., Carter, Virginia L., Martorana, Kelly, Paresa, Malia K., Acker, Jason, Baums, Iliana B., Borneman, Eric, Brittsan, Michael, Byers, Michael, Henley, Michael, Laterveer, Michael, Leong, Jo-Ann, McCarthy, Megan, Meyers, Stuart, Nelson, Brian D., Petersen, Dirk, Tiersch, Terrence, Uribe, Rafael Cuevas, Woods, Erik and Wildt, David E. 2012. Preserving and Using Germplasm and Dissociated Embryonic Cells for Conserving Caribbean and Pacific Coral. PLoS ONE, 7(3): 1-13. doi:10.1371/journal.pone.0033354

Hobbs, Rebecca J., Comizzoli, Pierre, Howard, JoGayle and Wildt, David E. 2012. Absence of Seasonal Changes in FSHR Gene Expression in the Cat Cumulus-Oocyte Complex in Vivo and in Vitro. Reproduction, 144: 111-122. doi:10.1530/REP-12-0098

Huang, Yan, Zhang, Hemin, Li, Desheng, Zhang, Guiquan, Wei, Rongping, Huang, Zhi, Zhou, Yingmin, Zhou, Qiang, Liu, Yang, Wildt, David E. and Hull, Vanessa. 2012. Relationship of the Estrogen Surge and Multiple Mates to Cub Paternity in the Giant Panda (Ailuropoda melanoleuca): Implications for Optimal Timing of Copulation or Artificial Insemination. Biology of reproduction, 87(5): 1-7. doi:10.1095/biolreprod.112.102970

Phillips, Tameka C., Wildt, David E. and Comizzoli, Pierre. 2012. Increase in Histone Methylation in the Cat Germinal Vesicle Related to Acquisition of Meiotic and Developmental Competence. Reproduction in Domestic Animals, 47(Supplement S6): 210-214. doi:10.1111/rda.12052

Songsasen, Nucharin, Comizzoli, Pierre, Nagashima, Jennifer, Fujihara, Mayako and Wildt, David E. 2012. The Domestic Dog and Cat as Models for Understanding the Regulation of Ovarian Follicle Development In Vitro. Reproduction in Domestic Animals, 47(Supplement S6): 13-18. doi:10.1111/rda.12067

Songsasen, Nucharin, Wesselowski, Sonya, Carpenter, James W. and Wildt, David E. 2012. The ability to achieve meiotic maturation in the dog oocyte is linked to glycolysis and glutamine oxidation. Molecular reproduction and development, 79(3): 186-196. doi:10.1002/mrd.22011

Spercoski, Katherinne M., Morais , Rosana N., Morato, Ronaldo G., de Paula, Rogério C., Azevedo, Fernanda C., May-Júnior, Joares A., Santos, Jean P., Reghelin, Angela L., Wildt, David E. and Songsasen, Nucharin S. 2012. Adrenal activity in maned wolves is higher on farmlands and park boundaries than within protected areas. General and comparative endocrinology, 179(2): 232-240. doi:10.1016/j.ygcen.2012.08.002

Stewart, Rosemary A., Pelican, Katharine M., Crosier, Adrienne E., Pukazhenthi, Budhan S., Wildt, David E., Ottinger, Mary Ann and Howard, JoGayle. 2012. Oral Progestin Priming Increases Ovarian Sensitivity to Gonadotropin Stimulation and Improves Luteal Function in the Cat. Biology of reproduction, 87(6): 137 doi:10.1095/biolreprod.112.104190

Terrell, Kimberly A., Wildt, David E., Anthony, Nicola M., Bavister, Barry D., Leibo, S. P., Penfold, Linda M., Marker, Laurie L. and Crosier, Adrienne E. 2012. Different patterns of metabolic cryo-damage in domestic cat (Felis catus) and cheetah (Acinonyx jubatus) spermatozoa. Cryobiology, 64(2): 110-117. doi:10.1016/j.cryobiol.2011.12.006

Vick, Mandi,M., Wildt, David E., Turner, Jessica B., Palme, Rupert, Wolfe, Barbara A. and Pukazhenthi, Budhan S. 2012. Glucocorticoid response to changes in enclosure size and human proximity in the Persian onager (Equus hemionus onager). Stress, 15(1): 52-61. doi:10.3109/10253890.2011.578267

Blanco, Juan M., Long, Julie A., Gee, George, Wildt, David E. and Donoghue, Ann M. 2011. Comparative Cryopreservation of Avian Spermatozoa: Benefits of Non-Permeating Osmoprotectants and ATP on Turkey and Crane Sperm Cryosurvival. Animal Reproduction Science, 123(3-4): 242-248. doi:10.1016/j.anireprosci.2010.12.005

Comizzoli, Pierre, Pukazhenthi, Budhan and Wildt, David E. 2011. The competence of germinal vesicle oocytes is unrelated to nuclear chromatin configuration and strictly depends on cytoplasmic quantity and quality in the cat model. Human Reproduction, 26(8): 2165-2177. doi:10.1093/humrep/der176

Crosier, Adrienne E., Comizzoli, Pierre, Baker, Tomas, Davidson, Autumn, Munson, Linda, Howard, JoGayle, Marker, Laurie L. and Wildt, David E. 2011. Increasing Age Influences Uterine Integrity, but Not Ovarian Function or Oocyte Quality in the Cheetah (Acinonyx jubatus). Biology of reproduction, 85(2): 243-253. doi:10.1095/biolreprod.110.089417

Kersey, David C., Wildt, David E., Brown, Janine L., Snyder, Rebecca J., Huang, Yan and Monfort, Steven L. 2011. Rising fecal glucocorticoid concentrations track reproductive activity in the female giant panda (Ailuropoda melanoleuca). General and comparative endocrinology, 173(2): 364-370. doi:10.1016/j.ygcen.2011.06.013

Pukazhenthi, Budhan S., Hagedorn, Mary, Comizzoli, Pierre, Songsasen, Nucharin and Wildt, David E. 2011. Cryopreserving endangered species gametes, embryos and gonadal tissue: Challenges, successes and future directions. Cryobiology, 63(3): 308-309. doi:10.1016/j.cryobiol.2011.09.014

Santymire, Rachel M., Brown, Janine L., Stewart, Rosemary A., Santymire, Robb C., Wildt, David E. and Howard, JoGayle. 2011. Reproductive gonadal steroidogenic activity in the fishing cat (Prionailurus viverrinus) assessed by fecal steroid analyses. Animal Reproduction Science, 128(1-4): 60-72. doi:10.1016/j.anireprosci.2011.09.001

Songsasen, Nucharin, Guzy, C. and Wildt, David E. 2011. 121 Alginate-Fibrin Gel Matrix Promotes in Vitro Growth of Dog Secondary Follicles. Reproduction, Fertility and Development, 24(1): 173 doi:10.1071/RDv24n1Ab121

Songsasen, Nucharin, Woodruff, Teresa K. and Wildt, David E. 2011. In vitro growth and steroidogenesis of dog follicles as influenced by the physical and hormonal microenvironment. Reproduction, 142: 113-122. doi:10.1530/REP-10-0442

Spiering, Penny A., Szykman, Micaela, Somers, Michael J., Wildt, David E., Walters, Michelle, Wilson, Amy S. and Maldonado, Jesús E. 2011. Inbreeding, heterozygosity and fitness in a reintroduced population of endangered African wild dogs (Lycaon pictus). Conservation Genetics, 2011(12): 410-412. doi:10.1007/s10592-010-0147-z

Swaisgood, Ronald R., Wei, Fuwen, Mcshea, William J., Wildt, David E., Kouba, Andrew J. and Zhang, Zejun. 2011. Can science save the giant panda (Ailuropoda melanoleuca)? Unifying science and policy in an adaptive management paradigm. Integrative Zoology, 6(3): 290-296. doi:10.1111/j.1749-4877.2011.00250.x

Terrell, Kimberly A., Wildt, David E., Anthony, Nicola M., Bavister, Barry D., Leibo, Stanley P., Penfold, Linda M., Marker, Laurie L. and Crosier, Adrienne E. 2011. Glycolytic Enzyme Activity Is Essential for Domestic Cat (Felis catus) and Cheetah (Acinonyx jubatus) Sperm Motility and Viability in a Sugar-Free Medium. Biology of reproduction, 84(6): 1198-1206. doi:10.1095/biolreprod.110.090225

Terrell, Kimberly A., Wildt, David E., Anthony, Nicola M., Bavister, Barry D., Leibo, Stanley P., Penfold, Linda M., Marker, Laurie L. and Crosier, Adrienne E. 2011. Oxidative Phosphorylation Is Essential for Felid Sperm Function, but Is Substantially Lower in Cheetah (Acinonyx jubatus) Compared to Domestic Cat (Felis catus) Ejaculate. Biology of reproduction, 85(3): 473-481. doi:10.1095/biolreprod.111.092106

Clay, A. M., Estes, R. D., Thompson, Katerina, Wildt, David E. and Monfort, Steven L. 2010. Endocrine patterns of the estrous cycle and pregnancy of wildebeest in the serengeti ecosystem. General and comparative endocrinology, 166(2): 365-371. doi:10.1016/j.ygcen.2009.12.005

Comizzoli, Pierre, Songsasen, Nucharin and Wildt, David E. 2010. Protecting and Extending Fertility for Females of Wild and Endangered Mammals. In: Oncofertility. Springer US,(Cancer Treatment and Research (vol. 156)) pp.87-100.

Gratwicke, Brian, Evans, Matthew J., Jenkins, Peter T., Kusrini, Mirza D., Moore, Robin D., Sevin, Jennifer and Wildt, David E. 2010. Is the international frog legs trade a potential vector for deadly amphibian pathogens? Frontiers in Ecology and the Environment, 8(8): 438-442. doi:10.1890/090111

Johnson, Warren E., Onorato, David P., Roelke, Melody E., Land, E. Darrell, Cunningham, Mark, Belden, Robert C., McBride, Roy, Jansen, Deborah, Lotz, Mark, Shindle, David, Howard, JoGayle, Wildt, David E., Penfold, Linda M., Hostetler, Jeffrey A., Oli, Madan K. and O'Brien, Stephen J. 2010. Genetic Restoration of the Florida Panther. Science, 329(5999): 1641-1645. doi:10.1126/science.1192891

Kersey, David C., Wildt, David E., Brown, Janine L., Huang, Yan, Snyder, Rebecca J. and Monfort, Steven L. 2010. Parallel and seasonal changes in gonadal and adrenal hormones in male giant pandas (Ailuropoda melanoleuca). Journal of Mammalogy, 91(6): 1496-1507. doi:10.1644/09-MAMM-A-404.1

Kersey, David C., Wildt, David E., Brown, Janine L., Snyder, R. J., Huang, Y. and Monfort, Steven L. 2010. Unique Biphasic Progestagen Profile in Parturient and Nonparturient Giant Pandas (Ailuropoda melanoleuca) as Determined by Faecal Hormone Monitoring. Reproduction, 140: 183-193.

Kersey, David C., Wildt, David E., Brown, Janine L., Snyder, Rebecca J., Huang, Yan and Monfort, Steven L. 2010. Endocrine milieu of perioestrus in the giant panda (Ailuropoda melanoleuca), as determined by non-invasive hormone measures. Reproduction, Fertility, and Development, 22: 901-912.

Pelican, K. M., Spindler, Rebecca E., Pukazhenthi, Budhan, Wildt, David E., Ottinger, M. A. and Howard, JoGayle. 2010. Progestin exposure before gonadotropin stimulation improves embryo development after in vitro fertilization in the domestic cat. Biology of Reproduction, 83(4): 558-567. doi:10.1095/biolreprod.109.083360

Siriaroonrat, B., Comizzoli, Pierre, Songsasen, Nucharin, Monfort, Steven L., Wildt, David E. and Pukazhenthi, Budhan. 2010. Oocyte quality and estradiol supplementation affect in vitro maturation success in the white-tailed deer (Odocoileus virginianus). Theriogenology, 73(1): 112-119. doi:10.1016/j.theriogenology.2009.08.007

Spiering, Penny A., Somers, Michael J., Maldonado, Jesús E., Wildt, David E. and Gunther, Micaela Szykman. 2010. Reproductive sharing and proximate factors mediating cooperative breeding in the African wild dog (Lycaon pictus). Behavioral Ecology and Sociobiology, 64(4): 583-592. doi:10.1007/s00265-009-0875-6

Stewart, R. A., Pelican, K. M., Brown, Janine L., Wildt, David E., Ottinger, M. A. and Howard, JoGayle. 2010. Oral progestin induces rapid, reversible suppression of ovarian activity in the cat. General and comparative endocrinology, 166(2): 409-416. doi:10.1016/j.ygcen.2009.12.016

Swaisgood, R. R., Wei, F., Wildt, David E., Kouba, A. J. and Zhang, Z. 2010. Giant panda conservation science: how far we have come. Biology Letters, 6(2): 143-145. doi:10.1098/rsbl.2009.0786

Terrell, K. A., Wildt, David E., Anthony, N., Bavister, B. D., Leibo, S. P., Penfold, Linda M., Marker, L. L. and Crosier, Adrienne E. 2010. Evidence for Compromised Metabolic Function and Limited Glucose Uptake in Spermatozoa from the Teratospermic Domestic Cat (Felis catus) and Cheetah (Acinonyx jubatus). Biology of Reproduction, 83: 833-841.

Wildt, David E., Swanson, William F., Brown, Janine L., Sliwa, Alexander and Vargas, Astrid. 2010. Felids ex situ: managed programmes, research, and species recovery. In: Macdonald, David W. and Loveridge, Andrew J., Biology and Conservation of Wild Felids. England; Cambridge, MA: Oxford University Press; Harvard University Press,(Wildland and Woodlands: A Forest Vision for New England) pp.217-235.

Blanco, Juan M., Wildt, David E., Höfle, U., Voelker, W. and Donoghue, Ann M. 2009. Implementing artificial insemination as an effective tool for ex situ conservation of endangered avian species. Theriogenology, 71(1): 200-213. doi:10.1016/j.theriogenology.2008.09.019

Comizzoli, Pierre, Crosier, Adrienne E., Songsasen, Nucharin, Szykman, Micaela, Howard, Jogayle and Wildt, David E. 2009. Advances in reproductive science for wild carnivore conservation. Reproduction in Domestic Animals, 44: 47-52.

Comizzoli, Pierre, Wildt, David E. and Pukazhenthi, Budhan. 2009. In vitro compaction of germinal vesicle chromatin is beneficial to survival of vitrified cat oocytes. Reproduction in Domestic Animals, 44: 269-274.

Godard, N. M., Pukazhenthi, Budhan, Wildt, David E. and Comizzoli, Pierre. 2009. Paracrine Factors from Cumulus-Enclosed Oocytes Ensure the Successful Maturation and Fertilization in Vitro of Denuded Oocytes in the Cat Model. Fertility and sterility, 91(5): 2051-2060. doi:10.1016/j.fertnstert.2008.05.069

Howard, JoGayle and Wildt, David E. 2009. Approaches and efficacy of artificial insemination in felids and mustelids. Theriogenology, 71(1): 130-148. doi:10.1016/j.theriogenology.2008.09.046

Jewgenow, Katarina, Neubauer, Katrin, Blottner, Steffen, Schon, Jennifer, Wildt, David E. and Pukazhenthi, Budhan. 2009. Reduced Germ Cell Apoptosis During Spermatogenesis in the Teratospermic Domestic Cat. Journal of andrology, 30(4): 460-468. doi:10.2164/jandrol.108.006726

May-Júnior, J. A., Songsasen, Nucharin, Azevedo, F. C., Santos, J. P., Paula, R. C., Rodrigues, F. H. G., Rodden, Melissa D., Wildt, David E. and Morato, R. G. 2009. Hematology and blood chemistry status differs in free-ranging maned wolves (Chrysocyon brachyurus) living in the Serra da Canastra National Park (Brazil) versus adjacent farmlands. Journal of Zoo and Wildlife Diseases, 45: 81-90.

Schoen, J., Neumann, S., Wildt, David E., Pukazhenthi, Budhan and Jewgenow, K. 2009. Localization of estrogen receptors in the epididymis during sexual maturation of the domestic cat. Reproduction in Domestic Animals, 44: 294-301.

Songsasen, Nucharin, Fickes, A., Pukazhenthi, Budhan and Wildt, David E. 2009. Follicular morphology, oocyte diameter and localization of fibroblast growth factors in the domestic dog ovary. Reproduction in Domestic Animals (Supplement 2), 44: 65-70.

Spiering, Penny A., Gunther, Micaela Szykman, Wildt, David E., Somers, Michael J. and Maldonado, Jesús E. 2009. Sampling error in non-invasive genetic analyses of an endangered social carnivore. Conservation Genetics, 10: 2005-2007.

Wildt, David E., Comizzoli, Pierre, Pukazhenthi, Budhan and Songsasen, Nucharin. 2009. Lessons from biodiversity - the value of nontraditional species to advance reproductive science, conservation, and human health. Molecular reproduction and development, 77(5): 397-409. doi:10.1002/mrd.21137

Wildt, David E., Howard, JoGayle, Pelican, K., Brown, J. and Pukazhenthi, Budhan. 2009. Contributions of reproductive science to wild felid conservation. In: Breitenmoser, U., Iberian Lynx Ex-situ Conservation: An interdisciplinary approach.. Madrid, Spain: Fundación Biodiversidad, pp.

Blanco, Juan M., Long, J. A., Gee, G., Donoghue, Ann M. and Wildt, David E. 2008. Osmotic tolerance of avian spermatozoa: Influence of time, temperature, cryoprotectant and membrane ion pump function on sperm viability. Cryobiology, 56(1): 8-14. doi:10.1016/j.cryobiol.2007.09.004

Comizzoli, Pierre, Wildt, David E. and Pukazhenthi, Budhan. 2008. Impact of anisosmotic conditions on structural and functional integrity of cumulus-oocyte complexes at the germinal vesicle stage in the domestic cat. Molecular reproduction and development, 75: 345-354.

Crosier, Adrienne E., Henghali, Josephine N., Howard, JoGayle, Pukazhenthi, Budhan, Terrell, Kimberly A., Marker, Laurie L. and Wildt, David E. 2008. Improved Quality of Cryopreserved Cheetah (Acinonyx jubatus) Spermatozoa after Centrifugation Through Accudenz. Journal of Andrology, 30(3): 298 doi:10.2164/jandrol.108.006239

Gusset, M., Ryan, S. J., Hofmeyr, M., van Dyk, G., Davies-Mostert, H. T., Graf, Jan A., Owen, C., Szykman, Micaela, Macdonald, D. W., Monfort, Steven L., Wildt, David E., Maddock, A. H., Mills, M. G. L., Slotow, Rob and Somers, Michael J. 2008. Efforts going to the dogs? Evaluating attempts to reintroduce endangered wild dogs in south Africa. Journal of Applied Ecology, 45(1): 100-108. doi:10.1111/j.1365-2664.2007.01357.x

Pelican, K. M., Wildt, David E., Ottinger, M. A. and Howard, JoGayle. 2008. Priming with progestin, but not GnRH antagonist, induces a consistent endocrine response to exogenous gonadotropins in induced and spontaneously ovulating cats. Domestic animal endocrinology, 34(2): 160-175. doi:10.1016/j.domaniend.2007.01.002

Crosier, Adrienne E., Marker, Laurie, Howard, JoGayle, Pukazhenthi, Budhan, Henghali, Josephine N. and Wildt, David E. 2007. Ejaculate traits in the Namibian cheetah (Acinonyx jubatus): influence of age, season, and captivity. Reproduction, Fertility, and Development, 19: 370-382.

Loeffler, I. K., Howard, JoGayle, Montali, Richard J., Hayek, Lee-Ann C., Dubovi, E., Zhang, Z., Yan, Q., Guo, W. and Wildt, David E. 2007. Serosurvey of ex situ giant pandas (Ailuropoda melanoleuca) and red pandas (Ailurus fulgens) in China with implications for species conservation. Journal of Zoo and Wildlife Medicine, 38(4): 559-566. doi:10.1638/2006-0008R.1

Pukazhenthi, Budhan, Santymire, Rachel, Crosier, Adrienne E., Howard, JoGayle and Wildt, David E. 2007. Challenges in cryopreserving endangered mammal spermatozoa: morphology and the value of acrosomal integrity as markers of cryo-survival. Society for Reproduction and Fertility (Supplement), 65: 433-446.

Santymire, R. M., Marinari, P. E., Kreeger, J. S., Wildt, David E. and Howard, JoGayle. 2007. Slow cooling prevents cold-induced damage to sperm motility and acrosomal integrity in the black-footed ferret (Mustela nigripes). Reproduction, Fertility, and Development, 19: 652-663.

Songsasen, Nucharin, Spindler, Rebecca E. and Wildt, David E. 2007. Requirement for, and patterns of, pyruvate and glutamine metabolism in the domestic dog oocyte in vitro. Molecular reproduction and development, 74: 870-877.

Staley, A. M., Blanco, Juan M., Dufty, A. M., Wildt, David E. and Monfort, Steven L. 2007. Fecal steroid monitoring for assessing gonadal and adrenal activity in the golden eagle and peregrine falcon. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology, 177(6): 609-622. doi:10.1007/s00360-007-0159-2

Ballou, Jonathan D., Miller, P. S., Xie, Z., Wei, R., Zhang, H., Zhang, A., Huang, S., Sun, S., David, V., O'Brien, Stephen J., Traylor-Holzer, K., Seal, Ulysses S. and Wildt, David E. 2006. Analysis of demographic and genetic trends for developing a captive breeding masterplan for the giant panda. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.495-519.

Collins, C. W., Songsasen, Nucharin, Monfort, Steven L., Bush, R. Mitchell, Wolfe, B., James, S. B., Wildt, David E. and Pukazhenthi, Budhan. 2006. Seminal traits of the Przewalski's horse (Equus ferus przewalski) following electroejaculation. Animal Reproduction Science, 94: 46-49.

Comizzoli, Pierre, Wildt, David E. and Pukazhenthi, Budhan. 2006. In vitro development of domestic cat embryos following intra-cytoplasmic sperm injection with testicular spermatozoa. Theriogenology, 66: 1659-1663.

Comizzoli, Pierre, Wildt, David E. and Pukazhenthi, Budhan. 2006. Poor centrosomal function in cat testicular spermatozoa impairs embryo development in vitro after intracytoplasmic sperm injection. Biology of Reproduction, 75: 252-260.

Crosier, Adrienne E., Pukazhenthi, Budhan, Henghali, Josephine N., Howard, JoGayle, Dickman, Amy J., Marker, Laurie and Wildt, David E. 2006. Cryopreservation of spermatozoa from wild-born Namibian cheetahs (Acinonyx jubatus) and influence of glycerol on cryosurvival. Cryobiology, 52: 169-181.

David, V. A., Sun, S., Zhang, Z., Shen, F., Zhong, G., Zhang, H., Xie, Z., Zhang, Y. P., Ryder, O. A., Ellis, S., Wildt, David E., Zhang, A. and O'Brien, Stephen J. 2006. Parentage assessment among captive giant pandas in China. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.245-273.

Ellis, S., Janssen, D. L., Edwards, M., Howard, JoGayle, He, G., Yu, J., Zhang, G., Wei, R., Miller, R. E. and Wildt, David E. 2006. Factors limiting reproductive success in the giant panda as revealed by a biomedical survey. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.37-58.

Ellis, S., Wenshi, P., Xie, Z. and Wildt, David E. 2006. The giant panda as social, biological and conservation phenomenon. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.1-16.

Graham, L. H., Byers, A. P., Armstrong, D. L., Loskutoff, N. M., Swanson, William F., Wildt, David E. and Brown, Janine L. 2006. Natural and gonadotropin-induced ovarian activity in tigers (Panthera tigris) assessed by fecal steroid analysis. General and comparative endocrinology, 147: 362-370.

Howard, JoGayle, Huang, Y., Wang, P., Li, D., Zhang, G., Hou, R., Zhang, Z., Durrant, B. S., Spindler, Rebecca E., Zhang, H., Zhang, A. and Wildt, David E. 2006. Role and efficiency of artificial insemination and genome resource banking. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.469-494.

Howard, JoGayle, Zhang, Z., Li, D., Huang, Y., Zhang, M., Hou, R., Ye, Z., Li, G., Zhang, J., Huang, S., Zhang, H., Zhang, J., Spindler, Rebecca E. and Wildt, David E. 2006. Male reproductive biology in giant pandas. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.159-197.

Pelican, K. M., Wildt, David E. and Howard, JoGayle. 2006. The GnRH agonist Lupron (leuprolide acetate), prevents ovulation following gonadotropin stimulation in the clouded leopard (Neofelis nebulosa). Theriogenology, 66: 1768-1777.

Pelican, K. M., Wildt, David E., Pukazhenthi, Budhan and Howard, JoGayle. 2006. Ovarian control for assisted reproduction in the domestic cat and wild felids. Theriogenology, 66: 37-48.

Pukazhenthi, Budhan, Comizzoli, Pierre, Travis, Alexander J. and Wildt, David E. 2006. Applications of emerging technologies to the study and conservation of threatened and endangered species. Reproduction, Fertility, and Development, 18: 77-90.

Pukazhenthi, Budhan, Laroe, D., Crosier, Adrienne E., Bush, L. M., Spindler, Rebecca E., Pelican, K., Bush, R. Mitchell, Howard, JoGayle and Wildt, David E. 2006. Challenges in cryopreservation of clouded leopard (Neofelis nebulosa) spermatozoa. Theriogenology, 66: 1790-1796.

Pukazhenthi, Budhan, Neubauer, K., Jewgenow, K., Howard, JoGayle and Wildt, David E. 2006. The impact and potential etiology of teratospermia in the domestic cat and its wild relatives. Theriogenology, 66: 112-121.

Santymire, R. M., Marinari, P. E., Kreeger, J. S., Wildt, David E. and Howard, JoGayle. 2006. Sperm viability in the black-footed ferret (Mustela nigripes) is influenced by seminal and medium osmolality. Cryobiology, 53: 37-50.

Songsasen, Nucharin and Wildt, David E. 2006. Oocyte biology and challenges in developing in vitro maturation systems in the domestic dog. Animal Reproduction Science, 98: 2-22.

Songsasen, Nucharin, Rodden, Melissa D., Brown, Janine L. and Wildt, David E. 2006. Patterns of fecal gonadal hormone metabolites in the maned wolf (Chrysocyon brachyurus). Theriogenology, 66: 1743-1750.

Spindler, Rebecca E., Crichton, E. G., Agca, Y., Loskutoff, N., Critser, J., Gardner, D. K. and Wildt, David E. 2006. Improved felid embryo development by group culture is maintained with heterospecific companions. Theriogenology, 66: 82-92.

Spindler, Rebecca E., Huang, Y., Howard, JoGayle, Wang, P., Zhang, H., Zhang, G. and Wildt, David E. 2006. Giant panda (Ailuropoda melanoleuca) spermatozoan decondensation in vitro is not compromised by cryopreservation. Reproduction, Fertility, and Development, 18: 767-775.

Wildt, David E., Lu, X., Lam, M., Zhang, Z. and Ellis, S. 2006. Partnerships and capacity building for securing giant pandas ex situ and in situ: how zoos are contributing to conservation. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.520-540.

Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S. 2006. Giant Pandas: Biology, Veterinary Medicine and Management Cambridge: Cambridge University Press.

Wildt, David E., Zhang, A., Zhang, H., Xie, Z., Janssen, D. L. and Ellis, S. 2006. The giant panda biomedical survey: how it began and the value of people working together across cultures and disciplines. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.17-36.

Zhang, Z., Zhang, A., Li, G., Fei, L., Wang, Q., Hou, R., Wang, J., Loeffler, I. Kati, Wildt, David E., Maple, T. L., McManamon, R. and Ellis, S. 2006. Historical perspective of breeding giant pandas ex situ in China and high priorities for the future. In: Wildt, David E., Zhang, A., Zhang, H., Janssen, D. L. and Ellis, S., Giant Pandas: Biology, Veterinary Medicine and Management. Cambridge: Cambridge University Press, pp.455-468.

Comizzoli, Pierre, Pukazhenthi, Budhan, Howard, JoGayle and Wildt, David E. 2005. Collaborative Science and its Impact on Management and Conservation of Felid Species. Communique, December: 23-25.

Pelican, K. M., Brown, Janine L., Wildt, David E., Ottinger, M. A. and Howard, JoGayle. 2005. Short term suppression of follicular recruitment and spontaneous ovulation in the cat using levonorgestrel versus a GnRH antagonist. General and comparative endocrinology, 144: 110-121.

Penfold, Linda M., Monfort, Steven L., Wolfe, Barbara A., Citino, Scott B. and Wildt, David E. 2005. Reproductive physiology and artificial insemination studies in wild and captive gerenuk (Litocranius walleri walleri). Reproduction, Fertility, and Development, 17: 707-714.

Songsasen, Nucharin and Wildt, David E. 2005. Size of the donor follicle, but not stage of reproductive cycle or seasonality, influences meiotic competency of selected domestic dog oocytes. Molecular reproduction and development, 72: 113-119.

Wildt, David E. 2005. Lions, tigers and pandas, oh my. Journal of andrology, 26: 452-454.

Wildt, David E. 2005. More meaningful wildlife research by prioritizing science, linking disciplines and building capacity. In: Gordon, M. S. and Bartol, S. M., Experimental Approaches to Conservation Biology. Berkeley: University of California Press, pp.282-297.

Wisely, Samantha M., Santymire, R. M., Livieri, T., Marinari, P. E., Kreeger, J. S., Wildt, David E. and Howard, JoGayle. 2005. Environment influences morphology and development for in situ and ex situ populations of the black-footed ferret (Mustela nigripes). Animal Conservation, 8: 321-328.

Comizzoli, Pierre, Wildt, David E. and Pukazhenthi, Budhan. 2004. Oocyte quality and in vitro culture in the domestic cat. Assisted Reproductive Technology and Science, 4: 11-13.

Comizzoli, Pierre, Wildt, David E. and Pukazhenthi, Budhan. 2004. Effect of 1,2-Propanediol Versus 1,2-Ethanediol on Subsequent Oocyte Maturation, Spindle Integrity, Fertilization, and Embryo Development In Vitro in the Domestic Cat. Biology of Reproduction, 71: 598-604.

Ellis, S., Zhang, A., Zhang, H., Zhang, J., Zhang, Z., Lam, M., Edwards, M., Howard, JoGayle, Janssen, D., Miller, E. and Wildt, David E. 2004. Biomedical survey of captive giant pandas: A catalyst for conservation partnerships in China. In: Lindburg, D. and Baragona, K., Giant Pandas: Biology and Conservation. Berkeley, CA: University of California Press, pp.250-263.

Ellis, S., Zhang, A., Zhang, H., Zhang, Z., Lam, M., Edwards, M., Howard, JoGayle, Janssen, D., Miller, E. and Wildt, David E. 2004. The CBSG giant panda biomedical survey: A catalyst for conservation partnerships in China. In: Lindburg, D. and Baragona, K., Giant Pandas: Conservation Priorities for the Twenty-First Century. Davis, CA: University of California Press, pp.250-263.

Graham, L. H., Swanson, William F., Wildt, David E. and Brown, Janine L. 2004. Influence of oral melatonin on natural and gonadotropin-induced ovarian function in the domestic cat. Theriogenology, 61: 1061-1076.

Howard, JoGayle, Wisely, Samantha M., Santymire, R. M., Livieri, T. M., Kreeger, J. S., Marinari, P. E., Wildt, David E. and Williams, E. S. 2004. Biomedical survey of wild black-footed ferrets (Mustela nigripes). Proceedings of the Defenders of Wildlife Carnivores 2004 - Expanding Partnerships in Carnivore Conservation Conference., : 58

Huang, Y., Wang, P., Spindler, Rebecca E., Howard, JoGayle, Zhang, H. and Wildt, David E. 2004. Study on the influence of post-thaw motility on giant panda cryopreserved sperm by thawing rate and pentoxyfiline in vitro. Acta Theriologica Sinica, 24(4): 286-292.

Miller, B., Conway, W., Reading, R. P., Wemmer, Christen M., Wildt, David E., Kleiman, Devra G., Monfort, Steven L., Rabinowitz, A., Armstrong, B. and Hutchins, M. 2004. Evaluating the Conservation Mission of Zoos, Aquariums, Botanical Gardens, and Natural History Museums. Conservation Biology, 18: 86-93.

Neubauer, K., Jewgenow, K., Blottner, S., Wildt, David E. and Pukazhenthi, Budhan. 2004. Quantity rather than quality in teratospermic males: a histomorphometric and flow cytometric evaluation of spermatogenesis in the domestic cat (Felis catus). Biology of Reproduction, 71: 1517-1524.

Pukazhenthi, Budhan and Wildt, David E. 2004. Which reproductive technologies are most relevant to studying, managing, and conserving wildlife? Reproduction, Fertility, and Development, 16(2): 33-46.

Spindler, Rebecca E., Huang, Y., Howard, JoGayle, Wang, P., Zhang, G., Zhang, H. and Wildt, David E. 2004. Acrosomal integrity and capacitation are not influenced by sperm cryopreservation in the giant panda. Reproduction, 127: 547-556.

Wildt, David E. 2004. Making Wildlife Research More Meaningful by Prioritizing Science, Linking Disciplines, and Building Capacity. In: Gordon, M. S. and Bartol, S. M., Experimental Approaches to Conservation Biology. Berkeley, CA: University of California Press, pp.282-297.

Comizzoli, Pierre, Wildt, David E. and Pukazhenthi, Budhan. 2003. Overcoming poor in vitro nuclear maturation and developmental competence of domestic cat oocytes during the non-breeding season. Reproduction, 126(6): 809-816.

Donoghue, Ann M., Blanco, Juan M., Gee, G. F., Kirby, Y. K. and Wildt, David E. 2003. Reproductive technologies and challenges in avian conservation and management. In: Holt, W. V., Pickard, A., Rodger, J. and Wildt, David E., Reproductive Sciences and Integrated Conservation. Cambridge: Cambridge University Press, pp.319-337.

Holt, W. V., Abaigar, T., Wildt, David E. and Watson, P. F. 2003. Genetic resource banks for species conservation. In: Holt, W. V., Pickard, A. R., Roger, J. C. and Wildt, David E., Reproductive Sciences and Integrated Conservation. Cambridge: Cambridge University Press, pp.267-280.

Holt, W. V., Pickard, A. R., Roger, J. C. and Wildt, David E. 2003. Reproductive Sciences and Integrated Conservation Cambridge: Cambridge University Press.

Holt, W. V., Pickard, A., Rodger, J. C. and Wildt, David E. 2003. Sex, wildlife and vindication. In: Holt, W. V., Pickard, A. R., Roger, J. C. and Wildt, David E., Reproductive Sciences and Integrated Conservation. Cambridge: Cambridge University Press, pp.396-400.

Howard, JoGayle, Marinari, P. E. and Wildt, David E. 2003. Black-footed ferret: Model for assisted reproductive technologies contributing to in situ conservation. In: Holt, W. V., Pickard, A. R., Roger, J. C. and Wildt, David E., Reproductive Sciences and Integrated Conservation.. Cambridge: Cambridge University Press, pp.249-266.

Loeffler, I. K., Montali, Richard J., Howard, JoGayle, Janssen, D., Ellis, S., Dubovi, E. J., McManamon, R., Zhang, Z., Xie, Z., Li, D. and Wildt, David E. 2003. Biomedical survey of giant pandas in China ex situ: Observations of a stunted growth syndrome, and the need for seroepidemiological studies. Proceedings of the Wildlife Disease Association, : 20

Morato, R. G., Wildt, David E. and Spindler, Rebecca E. 2003. Effects of medium-term storage of jaguar sperm prior to cryopreservation. Theriogenology, 59: 399

Penfold, Linda M., Jost, L., Evenson, J. P. and Wildt, David E. 2003. Normospermic versus teratospermic domestic cat sperm integrity evaluated by flow cytometry and intracytoplasmic sperm injection. Biology of Reproduction, 69: 1730-1735.

Spindler, Rebecca E., Huang, Y., Howard, JoGayle, Zhang, G., Wang, P., Zhang, H. and Wildt, David E. 2003. Cryopreservation reduces uptake of pyruvate by giant panda sperm but not glucose. Theriogenology, 59: 315

Swanson, William F., Johnson, W. E., Cambre, Richard C., Citino, Scott B., Quigley, K. B., Brousset, D. M., Morais, R. N., Moreira, N., O'Brien, Stephen J. and Wildt, David E. 2003. Reproductive status of endemic field species in Latin American zoos and implications for ex situ conservation. Zoo biology, 22: 421-441.

Wildt, David E. 2003. The role of reproductive technologies in zoos: past, present, and future. International Zoo Yearbook, 38: 111-118.

Wildt, David E., Ellis, S., Janssen, D. and Buff, J. 2003. Toward more effective reproductive science for conservation. In: Holt, W. V., Pickard, A. R., Roger, J. C. and Wildt, David E., Reproductive Sciences and Integrated Conservation. Cambridge: Cambridge University Press, pp.2-20.

Axner, E., Pukazhenthi, Budhan, Wildt, David E., Linde-Forsberg, C. and Spindler, Rebecca E. 2002. Creatinine phosphokinase in domestic cat epididymal spermatozoa. Molecular reproduction and development, 62: 265-270.

Blanco, Juan M., Gee, G., Wildt, David E. and Donoghue, Ann M. 2002. Producing progeny from endangered birds of prey: Treatment of contaminated semen and a novel intramagnal insemination approach. Journal of Zoo Wildlife Medicine, 33: 1-7.

Blanco, Juan M., Wildt, David E., Monfort, Steven L., Gee, G. and Donoghue, Ann M. 2002. Developing assisted reproductive technologies to promote ex situ raptor conservation. In: The Second International Symposium on Assisted Reproductive Technology (ART) for the Conservation and Genetic Management of Wildlife 28-29 September 2002 Wild Kingdom Pavilion, Henry Doorly Zoo, Omaha, Nebraska, USA. pp.264

Blanco, Juan M., Wildt, David E., Monfort, Steven L., Gee, G. and Donoghue, Ann M. 2002. Developing assisted reproductive technologies to promote ex situ raptor conservation. Proceedings of the International Symposium on Assisted Reproductive Technology (ART) for the Conservation and Genetic Management of Wildlife, 2: 264-269.

Harnal, V. K., Wildt, David E., Bird, D. M., Monfort, Steven L. and Ballou, Jonathan D. 2002. Computer simulations to determine the efficacy of different genome resource banking strategies for maintaining genetic diversity. Cryobiology, 44: 122-131.

Huang, Y., Wang, P., Zhang, G., Zhang, H., Li, D., Du, J., Wei, R., Tang, C., Spindler, Rebecca E. and Wildt, David E. 2002. Use of artificial insemination to enhance propagation of giant pandas at the Wolong Breeding Center. Proceedings of the International Symposium on Assisted Reproductive Technologies (ART) for Conservation and Genetic Management of Wildlife, 2: 172-179.

Pukazhenthi, Budhan, Spindler, Rebecca E., Wildt, David E., Bush, L. M. and Howard, JoGayle. 2002. Osmotic properties of spermatozoa from felids producing different proportions of pleiomorphisms: Influence of adding and removing cryoprotectant. Cryobiology, 44: 288-298.

Spindler, Rebecca E. and Wildt, David E. 2002. Quality and age of companion felid embryos modulate enhanced development by group culture. Biology of Reproduction, 66: 167-173.

Wielebnowski, N. C., Ziegler, K., Wildt, David E., Lukas, J. and Brown, Janine L. 2002. Impact of social management on reproductive, adrenal and behavioral activity in the cheetah (Acinonyx jubatus). Animal Conservation, 5: 291-301.

Wildt, David E. and Mellen, Jill D. . 2002. North American Felid Taxon Advisory Group Annual Report.

Wildt, David E., Ellis, S., Janssen, D. and Buff, J. 2002. Toward more effective reproductive science in conservation. In: Holt, W. V., Pickard, A., Rodger, J. and Wildt, David E., Reproductive Sciences and Integrated Conservation. Cambridge: Cambridge University Press, pp.2-20.

Brown, Janine L., Bellem, A. C., Fouraker, M., Wildt, David E. and Roth, Terri L. 2001. Comparative analysis of gonadal and adrenal activity in the black and white rhinoceros in North America by non-invasive endocrine monitoring. Zoo biology, 20(6): 463-486.

Brown, Janine L., Graham, L. H., Wielebnowski, N., Swanson, William F., Wildt, David E. and Howard, JoGayle. 2001. Understanding the basic reproductive biology of wild felids by monitoring faecal steroids. In: Concannon, P. W., England, G. C. W., Farstad, W., Linde-Forsberg, C., Verstegen, J. P. and Doberksa, C., Advances in Reproduction in Dogs, Cats and Exotic Carnivores. Colchester: Journals of Reproduction and Fertility, Ltd, pp.71-82.

Harnal, V. K., Spindler, Rebecca E., Monfort, Steven L., Pukazhenthi, Budhan, Bird, D. M. and Wildt, David E. 2001. Sperm capacitation in vitro in the Eld's deer. Theriogenology, 56: 399-413.

Howard, JoGayle, Marinari, P. E. and Wildt, David E. 2001. Mustelid reproductive biology and integration of assisted reproductive technology in species recovery. .

Moreira, N., Monteiro-Filho, E. L. A., Moraes, W., Swanson, William F., Graham, L. H., Pasquali, O. L., Gomes, M. L. F., Morais, R. N., Wildt, David E. and Brown, Janine L. 2001. Reproductive steroid hormones and ovarian activity in felids of the Leopardus genus. Zoo biology, 20: 103-116.

Penfold, Linda M., Harnal, V., Lynch, W., Bird, D., Derrickson, Scott R. and Wildt, David E. 2001. Characterization of Northern pintail (Anas acuta) ejaculate and the effect of sperm preservation on fertility. Reproduction, 121: 267-275.

Penfold, Linda M., Wildt, David E., Herzog, T. L., Lynch, W., Ware, L., Derrickson, Scott R. and Monfort, Steven L. 2001. Seasonal patterns of LH, testosterone and semen quality in the Northern pintail duck (Anas acuta). Reproduction, Fertility, and Development, 12: 229-235.

Pukazhenthi, Budhan, Wildt, David E. and Howard, JoGayle. 2001. The phenomenon and significance of teratospermia in felids. In: Concannon, P. W., England, G. C. W., Farstad, W., Linde-Forsberg, C., Verstegen, J. P. and Doberksa, C., Advances in Reproduction in Dogs, Cats and Exotic Carnivores. Colchester: Journals of Reproduction and Fertility, Ltd, pp.423-433.

Spindler, Rebecca E., Howard, JoGayle, Yan, H., Desheng, L., Heman, Z. and Wildt, David E. 2001. Cryopreservation has no impact on subsequent sperm capacitation in vitro in the giant panda. Biology of Reproduction, 64: 622

Wildt, David E., Brown, Janine L. and Howard, JoGayle. 2001. Role of reproductive sciences in carnivore conservation. In: Gittleman, J. L., Funk, S. M., MacDonald, D. W. and Wayne, Robert K., Carnivore Conservation. New York, NY: Cambridge University Press, pp.359-371.

Wildt, David E., Ellis, S. and Howard, JoGayle. 2001. Linkage of reproductive sciences: from "quick fix" to "integrated" conservation. In: Concannon, P. W., England, G. C. W., Farstad, W., Linde-Forsberg, C., Verstegen, J. P. and Doberksa, C., Advances in Reproduction in Dogs, Cats and Exotic Carnivores. Colchester: Journals of Reproduction and Fertility, Ltd, pp.295-307.

Blanco, Juan M., Gee, G., Wildt, David E. and Donoghue, Ann M. 2000. Species variation in osmotic, cryoprotectant and cooling rate tolerance in poultry, eagle and Peregrine falcon spermatozoa. Biology of Reproduction, 63: 1164-1171.

Howard, JoGayle and Wildt, David E. 2000. "Biomedical Survey of Giant Pandas in Captivity in China". Apple Valley, MN: Conservation Breeding Specialist Group, 14-17.

Janssen, D. L., Zhang, A., Zhang, H., Wang, M., Wildt, David E., Ellis, S., Lam, M., He, G., Zhong, Y., Zhang, J., Howard, JoGayle, Edwards, M., Miller, R. E., Li, G., Yu, J., Zhang, Z., Tang, C., Zhang, G., Rideout, B., Montali, Richard J., Sutherland-Smith, M., Young, L. and Phillips, L. 2000. Biomedical survey of giant pandas (Ailuropoda melanoleuca) in captivity in China. .

Morrow, C. J., Wolfe, B. A., Roth, Terri L., Wildt, David E., Bush, R. Mitchell, Blumer, E. S., Atkinson, M. W. and Monfort, Steven L. 2000. Comparing ovulation synchronization protocols for artificial insemination in the scimitar-horned oryx (Oryx dammah). Animal Reproduction Science, 59: 71-86.

Pukazhenthi, Budhan, Howard, JoGayle and Wildt, David E. 2000. Current knowledge about the reproductive biology of the clouded leopard. In: Fletchall, N., Clouded Leopard Species Survival Plan (SSP) Husbandry Guidelines. Bethesda, MD: American Zoo and Aquarium Association, pp.22-23.

Pukazhenthi, Budhan, Noiles, E., Pelican, K., Donoghue, Ann M., Wildt, David E. and Howard, JoGayle. 2000. Osmotic effects on feline spermatozoa from normospermic versus teratospermic donors. Cryobiology, 40: 139-150.

Spindler, Rebecca E., Pukazhenthi, Budhan and Wildt, David E. 2000. Oocyte metabolism predicts the development of cat embryos to blastocyst in vitro. Molecular reproduction and development, 56: 163-171.

Wildt, David E. 2000. Genome resource banking for wildlife research, management and conservation. Inst.Lab.Anim.Res., National Research Council, 41: 228-234.

Wolf, K. N., Wildt, David E., Vargas, A., Marinari, P. E., Kreeger, J. S., Ottinger, M. A. and Howard, JoGayle. 2000. Age dependent changes in sperm production, semen quality and testicular volume in the black-footed ferret (Mustela nigripes). Biology of Reproduction, 63: 179-187.

Wolf, K. N., Wildt, David E., Vargas, A., Marinari, P. E., Ottinger, M. A. and Howard, JoGayle. 2000. Reproductive inefficiency in male black-footed ferrets (Mustela nigripes). Zoo biology, 19: 517-528.

Blanco, Juan M., Tselutin, K., Gee, G., Wildt, David E. and Donoghue, Ann M. 1999. Comparative cryopreservation of poultry sperm: characterization of sperm survival after rapid or slow freezing methods and the use of 6% dimethylacetmide as a cryoprotectant for chicken and turkey sperm. .

Ellis, S., He, G., Zhang, A., Zhang, J., Janssen, D., Howard, JoGayle, Seal, Ulysses S. and Wildt, David E. 1999. Integrated activities toward giant panda conservation in China. .

Johnson, W. E., Shinyashiki, F., Menotti-Raymond, M., Driscoll, C., Leh, C., Sunquist, M., Johnston, M., Bush, R. Mitchell, Wildt, David E., Yuhki, N. and O'Brien, S. J. 1999. Molecular genetic characterization of two insular Asian cat species, Bornean bay cat and Iriomote cat. In: Wasser, S. P., Evolutionary Theory and Processes: Modern Perspectives. 1999: Kluwer Academic Publishers, pp.223-248.

Monfort, Steven L., Wolfe, B. A., Blumer, E. S., Atkinson, M. W., Spindler, Rebecca E., Pukazhenthi, Budhan, Bush, R. Mitchell, Wildt, David E., Roth, Terri L. and Morrow, C. J. 1999. Artificial insemination in the scimitar-horned oryx as a conservation and management tool. .

Morrow, C. J., Wildt, David E. and Monfort, Steven L. 1999. Reproductive seasonality in the female scimitar-horned oryx (Oryx dammah). Animal Conservation, 2: 261-268.

Pelican, K. M., Pukazhenthi, Budhan, Wildt, David E. and Howard, JoGayle. 1999. Discontinuous colloidal gradient centrifugation reduces sperm flagellum abnormalities but disrupts acrosomes in cat ejaculates. Biology of Reproduction Suppl., 60: 136

Penfold, Linda M., Citino, Scott B., Monfort, Steven L. and Wildt, David E. 1999. Investigating age and seasonality as potential contributors to pleiomorphic spermatozoa in gerenuk. Biology of Reproduction, : 259

Penfold, Linda M., Herzog, T., Lynch, W., Ware, L., Wildt, David E., Derrickson, Scott R. and Monfort, Steven L. 1999. Circannual circulating testosterone concentrations and semen characteristics in the Northern pintail duck (Anas acuta). Journal of andrology, : 41

Pukazhenthi, Budhan, Pelican, K., Wildt, David E. and Howard, JoGayle. 1999. Sensitivity of domestic cat (Felis catus) sperm from normospermic versus teratospermic donors to cold-induced acrosomal damage. Biology of Reproduction, 61: 135-141.

Roberts, R. L., Wolf, K. N., Sprangel, M. E., Rall, William F. and Wildt, David E. 1999. Prolonged mating in prairie voles (Microtus ochrogaster) increases the likelihood of ovulation and embryo number. Biology of Reproduction, 60: 756-763.

Spindler, Rebecca E. and Wildt, David E. 1999. Cat oocyte metabolism indicates fertilization and developmental potential. Biology of Reproduction, 60: 269

Spindler, Rebecca E. and Wildt, David E. 1999. Circannual variations in intraovarian oocyte, but not epididymal sperm quality in the domestic cat. Biology of Reproduction, 61: 188-194.

Spindler, Rebecca E. and Wildt, David E. 1999. Influence of companion embryo age and quality on in vitro development of felid embryos. Biology of Reproduction, 62: 538

Spindler, Rebecca E. and Wildt, David E. 1999. Metabolism as a marker of domestic cat oocyte maturation. Theriogenology, 51: 295

Spindler, Rebecca E., Gardner, D. K., Critser, J. K. and Wildt, David E. 1999. Heterospecific (mouse) companion culture enhances cat embryo development in vitro, but the impact is embryo density specific. Theriogenology, 55: 342

Wildt, David E. and Wemmer, Christen M. 1999. Sex and wildlife: the role of reproductive science in conservation. Biodiversity and Conservation, 8: 965-976.

Brown, Janine L. and Wildt, David E. 1998. The role of reproduction in conservation science. Animal Reproduction, 53: 1-2.

Harnal, V., Lynch, W., Wildt, David E., Derrickson, Scott R., Bird, D. and Penfold, Linda M. 1998. Successful insemination of the Northern pintail duck (Anus acuta) using cold-stored sperm. Journal of andrology, : 44

Howard, JoGayle, Wolf, K. and Wildt, David E. 1998. Reproductive biotechnology in the recovery of the black-footed ferret. .

Jewgenow, K., Penfold, Linda M., Meyer, H. H. D. and Wildt, David E. 1998. Characteristics of small, preantral ovarian follicles in the domestic cat and responsiveness to cryoprotectant exposure and cryopreservation. Journal of reproduction and fertility, 112: 39-47.

Pukazhenthi, Budhan, Howard, JoGayle, Long, J. and Wildt, David E. 1998. Development of assisted reproductive technologies for the conservation of the clouded leopard (Neofelis nebulosa). .

Pukazhenthi, Budhan, Long, J. A., Wildt, David E., Ottinger, M. A., Armstrong, D. L. and Howard, JoGayle. 1998. Regulation of sperm function by protein tyrosine phosphorylation in diverse wild species. Journal of andrology, 19: 675-685.

Pukazhenthi, Budhan, Wildt, David E., Ottinger, M. A. and Howard, JoGayle. 1998. Inhibition of the domestic cat spermatozoa acrosome reaction and zona pellucida penetration by tyrosine kinase inhibitors. Molecular reproduction and development, 49: 48-57.

Roth, Terri L., Weiss, R. B., Buff, J. L., Bush, L. M., Wildt, David E. and Bush, R. Mitchell. 1998. Heterologous in vitro fertilization and sperm capacitation in an endangered African antelope, the scimitar-horned oryx (Oryx dammah). Biology of Reproduction, 58(2): 475-482.

Wildt, David E., Brown, Janine L. and Swanson, William F. 1998. Reproduction in cats. In: Knobil, E. and Neill, J., Encyclopedia of Reproduction. New York: Academic Press, pp.497-510.

Brown, Janine L. and Wildt, David E. 1997. Assessing reproductive status in wild felids by non-invasive faecal steroid monitoring. International Zoo Yearbook, 35: 173-191.

Brown, Janine L. and Wildt, David E. 1997. Development of faecal steroid analysis for assessing ovarian function in non-domestic felid species. International Zoo Yearbook, 35: 173-191.

Brown, Janine L., Wasser, S. K., Wildt, David E., Graham, L. H. and Monfort, Steven L. 1997. Faecal steroid analysis for monitoring ovarian and testicular function in diverse carnivore, primate and ungulate species. International Journal of Mammalian Biology, Proc.Suppl., II: 27-31.

Hagedorn, Mary M., Hsu, E. W. and Wildt, David E. 1997. New approaches for studying the permeability of fish embryos: towards successful cryopreservation. Cryobiology, 34: 335-347.

Hagedorn, Mary M., Kleinhans, F. W., Freitas, R., Liu, J., Hsu, E., Wildt, David E. and Rall, William F. 1997. Water distribution and permeability of zebrafish embryos (Brachydanio rerio). Journal of Experential Zoology, 278: 356-371.

Hagedorn, Mary M., Kleinhans, F. W., Wildt, David E. and Rall, William F. 1997. Chill sensitivity and cryoprotectant permeability of dechorionated zebrafish embryos, Brachydanio rerio. Cryobiology, 34: 251-263.

Hoffert, K. A., Anderson, G. B., Wildt, David E. and Roth, Terri L. 1997. Transition from maternal to embryonic control of development in IVm/IVF domesticcat embryos. Molecular reproduction and development, 48: 208-215.

Howard, JoGayle, Roth, Terri L., Byers, A. P., Swanson, William F. and Wildt, David E. 1997. Sensitivity to exogenous gonadotropins for ovulation induction and laparoscopic artificial insemination in the cheetah and clouded leopard. Biology of Reproduction, 56: 1059-1068.

Howard, JoGayle, Weiss, R. and Wildt, David E. 1997. "Felid Action Plan, 1997 Report". Lake Buena Vista, FL: Disney's Animal Kingdom, 44-46.

Howard, JoGayle, Wolf, K. N., Vargas, A., Marinari, P., Kreeger, J., Williamson, L. and Wildt, David E. 1997. Enhanced reproductive efficiency and pregnancies after artificial insemination in black-footed ferrets. .

Jewgenow, K., Wood, T. C. and Wildt, David E. 1997. DNA degradation in mural granulosa cells of non- and slightly atretic follicles of fresh and cold-stored domestic cat ovaries. Molecular reproduction and development, 48: 350-355.

Monfort, Steven L., Wolfe, B. A., Morrow, C. J., Kehler, J., Penfold, Linda M., Bush, R. Mitchell and Wildt, David E. 1997. Kinetics of gonadotrophin-induced follicle-oocyte development and maturation in the endangered Eld's deer (Cervus eldi thamin). Proceedings of the Society for the Study of Reproduction, Suppl. 56(1): 214

Morrow, C. J., Wolfe, B. A., Roth, Terri L., Wildt, David E., Bush, R. Mitchell, Blumer, E. S., Atkinson, M. W. and Monfort, Steven L. 1997. Endocrine response in scimitar-horned oryx (Oryx dammah) treated with progesterone and prostaglandin F2 alpha to synchronize ovlation for artificial insemination. Proceedings of the Society for the Study of Reproduction, 56 (Suppl. 1): 13

Penfold, Linda M. and Wildt, David E. 1997. "The Northern pintail as a model species for developing sperm freezing protocols for endangered waterfowl". International Wild Waterfowl. : pp.25-26.

Roth, Terri L., Armstrong, D. L., Barrie, M. T. and Wildt, David E. 1997. Seasonal effects on ovarian responsiveness to exogenous gonadotropins and successful artificial insemination in the snow leopard (Uncia uncia). Fert.Reprod.Devel., 9: 285-295.

Roth, Terri L., Williamson, L. R., Bush, R. Mitchell, Wildt, David E. and Monfort, Steven L. 1997. Seasonal reproductive characteristics and steroid metabolite excretion in male scimitar-horned oryx (Oryx dammah). Proceedings of the Society for the Study of Reproduction, 56 (Suppl. 1): 198

Roth, Terri L., Wolfe, B. A., Long, J. A., Howard, JoGayle and Wildt, David E. 1997. Effects of equine chorionic gonadotropin, human chorionic gonadotropin and laparoscopic artificial insemination on embryo, endocrine and luteal characteristics in the domestic cat. Biology of Reproduction, 57: 165-171.

Swanson, William F. and Wildt, David E. 1997. Strategies and progress in reproductive research involving small cat species. International Zoo Yearbook, 35: 152-159.

Swanson, William F., Wolfe, B. A., Brown, Janine L., Martin-Jimenez, T., Riviere, J. E., Roth, Terri L. and Wildt, David E. 1997. Pharmacokinetics and ovarian stimulatory effect of equine and human chorionic gonadotropins administered singly and in combination in the domestic cat. Biology of Reproduction, 57: 295-302.

Wildt, David E. 1997. Genome Resource Banks. In: Parker, S., Yearbook of Science and Technology. New York: McGraw-Hill, pp.24-26.

Wildt, David E. 1997. Genome resource banking: Impact on biotic conservation and society. In: Karow, A. M. and Critser, J., Tissue Banking in Reproductive Biology. New York: Academic Press, Inc, pp.399-439.

Wildt, David E. and Roth, Terri L. 1997. Assisted reproduction for managing and conserving threatened felids. International Zoo Yearbook, 35: 164-172.

Wildt, David E. and Seal, Ulysses S. 1997. The Conservation Breeding Specialist Group and the development of a captive management masterplan for giant pandas in China. .

Wildt, David E., Rall, William F., Critser, J. K., Monfort, Steven L. and Seal, Ulysses S. 1997. Genome resource banks: living collections for biodiversity conservation. Bioscience, 47(10): 689-698.

Wood, T. C. and Wildt, David E. 1997. Effect of quality of the cumulus oocyte complex in the domestic cat on the ability of oocytes to successfully mature, fertilize and develop into blastocysts in vitro. Journal of reproduction and fertility, 110: 355-360.

Wood, T. C., Montali, Richard J. and Wildt, David E. 1997. Follicle-ooycte atresia and temporal taphonomy in cold-stored domestic cat ovaries. Molecular reproduction and development, 46: 190-200.

Brown, Janine L., Wildt, David E., Wielebnowski, N., Goodrowe, K. L., Wells, S., Graham, L. H. and Howard, JoGayle. 1996. Reproductive activity in captive female cheetahs (Acinonyx jubatus) assessed by faecal steroids. Journal of reproduction and fertility, 106: 337-346.

Donoghue, Ann M., Byers, A. P., Johnson, L. A., Armstrong, D. L. and Wildt, David E. 1996. Timing of ovulation after gonadotrophin induction and its importance to intrauterine insemination in the tiger (Panthera tigris). Journal of reproduction and fertility, 107: 53-58.

Goodrowe, K. L., Smak, M. E., Presley, N. P., Wildt, David E. and Monfort, Steven L. 1996. Reproductive, behavioral and endocrine characteristics of the Dall's sheep (Ovis dalli dalli). Zoo biology, 15: 45-54.

Hagedorn, Mary M., Hsu, E. W., Pilatus, U., Wildt, David E., Rall, William F. and Blackband, S. J. 1996. Magnetic resonance microscopy and spectroscopy reveal kinetics of cryoprotectant permeation in a multicompartmental biological system. Proceedings of the National Academy of Sciences of the United States of America, 93: 7454-7459.

Howard, JoGayle, Byers, A. P., Brown, Janine L., Barrett, S. J., Evans, M. Z., Schwartz, R. J. and Wildt, David E. 1996. Successful ovulation induction and laparoscopic intrauterine artificial insemination in the clouded leopard (Neofelis nebulosa). Zoo biology, 15: 55-69.

Jordan, H. L., Howard, JoGayle, Sellon, R. K., Wildt, David E., Tompkins, W. A. and Kennedy-Stoskopf, S. 1996. Transmission of feline immunodeficiency virus in domestic cats via artificial insemination. Journal of virology, 70: 8224-8228.

Long, J. A., Wildt, David E., Wolfe, B. A., Critser, J. K., DeRossi, R. V. and Howard, JoGayle. 1996. Sperm capacitation and the acrosome reaction are compromised in teratospermic domestic cats. Biology of Reproduction, 54: 638-646.

Monfort, Steven L., Bush, R. Mitchell and Wildt, David E. 1996. Natural and induced ovarian synchrony in golden lion tamarins (Leontopithecus rosalia). Biology of Reproduction, 55: 875-882.

Monfort, Steven L., Kepler, T. H., Bush, R. Mitchell and Wildt, David E. 1996. Evaluation of natural and induced ovarian synchrony in golden lion tamarins (Leontopithecus rosalia rosalia). Biology of Reproduction, 55: 875-882.

Munson, L., Brown, Janine L., Bush, R. Mitchell, Packer, C., Jansen, D., Reiziss, S. M. and Wildt, David E. 1996. Genetic diversity affects testicular morphology in free-ranging lions (Panthera leo) of the Serengeti Plains and Ngorongoro Crater. Journal of reproduction and fertility, 108(1): 11-15.

Pukazhenthi, Budhan, Wildt, David E., Ottinger, M. A. and Howard, JoGayle. 1996. Compromised sperm protein phosphorylation after capacitation, swim-up and zona pellucida exposure to teratospermic domestic cats. Journal of andrology, 17: 409-419.

Roth, Terri L., Swanson, William F., Collins, D., Burton, M., Garell, D. M. and Wildt, David E. 1996. Snow leopard (Panthera uncia) spermatozoa are sensitive to alkaline pH, but motility In Vitro is not influenced by protein or energy supplements. Journal of andrology, 17(5): 558-566.

Swanson, William F., Brown, Janine L. and Wildt, David E. 1996. Influence of seasonality on reproductive traits in the male Pallas cat (Felis manul) and implications for captive management. Journal of Zoo and Wildlife Medicine, 27(2): 234-240.

Swanson, William F., Howard, JoGayle, Roth, Terri L., Brown, Janine L., Alvarado, M., Burton, M., Starnes, D. and Wildt, David E. 1996. Responsiveness of ovaries to exogenous gonadotrophins and laparoscopic artificial insemination with frozen-thawed spermatozoa in ocelots (Felis pardalis). Journal of reproduction and fertility, 106: 87-94.

Wildt, David E. 1996. Male reproduction: assessment, management, and control of fertility. In: Kleiman, Devra G., Allen, Mary E., Thompson, Katerina and Lumpkin, Susan, Wild Mammals in Captivity: Principles and Techniques. Chicago, IL: University of Chicago, pp.429-450.

Wolfe, B. A. and Wildt, David E. 1996. Development of blastocysts of domestic cat oocytes matured and fertilized in vitro following prolonged cold storage. Journal of reproduction and fertility, 106: 135-141.

Brown, Janine L., Wildt, David E., Graham, L. H., Byers, A. P., Collins, L., Barrett, S. and Howard, JoGayle. 1995. Natural versus chorionic gonadotropin-induced ovarian responses in the clouded leopard Neofelis nebulosa assessed by fecal steroid analysis. Biology of Reproduction, 53: 93-102.

Creel, S., Monfort, Steven L., Creel, N. M., Wildt, David E. and Waser, P. M. 1995. Pregnancy increases future reproductive success in subordinate dwarf mongooses. Animal Behaviour, 50: 1132-1135.

Howard, JoGayle, Jordan, H., Kennedy-Stoskopf, S., Wildt, David E. and Tompkins, W. 1995. Transmission of feline immunodeficiency virus in domestic cat semen by artificial insemination: Model for seminal transmission of FIV in nondomestic felids. .

Monfort, Steven L., Brown, Janine L., Wood, T. C., Bush, R. Mitchell, Williamson, L. R. and Wildt, David E. 1995. Effects of long-term continuous GnRH administration on the pituitary-gonadal axis in Eld's deer stags (Cervus eldi thamin). Canadian Journal of Zoology, 73: 1609-1619.

Monfort, Steven L., Harvey, E., Geurts, L., Padilla, Luis R., Simmons, H. A., Williamson, L. R. and Wildt, David E. 1995. Urinary 3 a,17á-Androstanediol Glucuronide is a measure of androgenic status in Eld's deer stags (Cervus eldi thamin). Biology of Reproduction, 53: 700-706.

Roth, Terri L., Munson, L., Swanson, William F. and Wildt, David E. 1995. Histological characteristics of the uterine endometrium and corpus luteum during early embryogenesis and the relationship to embryonic mortality in the domestic cat. Biology of Reproduction, 53: 1012-1021.

Roth, Terri L., Swanson, William F., Blumer, E. and Wildt, David E. 1995. Enhancing zona penetration by spermatozoa from a teratospermic species, the cheetah (Acinonyx jubatus). The Journal of experimental zoology, 271: 323-330.

Swanson, William F., Howard, JoGayle, Roth, Terri L., Kaemmerer, K., Alvarado, T., Burton, M., Starnes, D., Sims, L., Collins, D. and Wildt, David E. 1995. "Laparoscopic intrauterine insemination in the ocelot (Felis pardalis) after ovarian stimulation with exogenous gonadotrophins". Theriogenology. : pp.331

Swanson, William F., Roth, Terri L., Brown, Janine L. and Wildt, David E. 1995. Relationship of circulating steroid hormones, luteal luteinizing hormone receptor and progesterone concentration, and embryo mortality during early embryogenesis in the domestic cat. Biology of Reproduction, 53: 1022-1029.

Swanson, William F., Wildt, David E., Cambre, Richard C., Citino, Scott B., Quigley, K. B., Brousset, D., Morais, R. N., Moreira, N., O'Brien, S. J. and Johnson, W. E. 1995. Reproductive survey of endemic felid species in Latin American zoos: male reproductive status and implications for conservation. .

Wildt, David E., Pukazhenthi, Budhan, Brown, Janine L., Monfort, Steven L., Howard, JoGayle and Roth, Terri L. 1995. Spermatology for understanding, managing and conserving rare species. Reproduction, Fertility, and Development, 7: 811-824.

Wood, T. C., Byers, A. P., Jennette, B. E. and Wildt, David E. 1995. Influence of protein and hormone supplementation on in vitro maturation and fertilization of domestic cat eggs. Journal of reproduction and fertility, 104: 315-323.

Barone, Mark A., Roelke, Melody E., Howard, JoGayle, Brown, Janine L., Anderson, Allen E. and Wildt, David E. 1994. Reproductive characteristics of male Florida panther: comparative studies from Florida, Texas, Colorado, Latin America and North American zoos. Journal of Mammalogy, 75(1): 150-162.

Barone, Mark A., Wildt, David E., Byers, A. P., Roelke, Melody E., Glass, C. M. and Howard, JoGayle. 1994. Gonadotrophin dosage and timing of anaesthesia for laparoscopic artificial insemination in the puma (Felis concolor). Journal of reproduction and fertility, 101: 103-108.

Brown, Janine L., Graham, L. H. and Wildt, David E. 1994. Update on fecal steroid metabolite monitoring in felids. .

Brown, Janine L., Wasser, S. K., Wildt, David E. and Graham, L. H. 1994. Comparative aspects of steroid hormone metabolism and ovarian activity in felids, measured non-invasively in feces. Biology of Reproduction, 51: 776-786.

Brown, Janine L., Wasser, S. K., Wildt, David E. and Graham, L. H. 1994. Steroid metabolism and the effectiveness of fecal analysis for assessing reproductive status in felids. Biology of Reproduction, 50: 185

Byers, A. P., Donoghue, Ann M., Roth, T. and Wildt, David E. 1994. Oocyte nuclear maturation at the time of oocyte aspiration is independent of in vitro fertilization potential in the domestic cat. Journal of Experiential Zoology, 270: 399-404.

Johnston, L. A., Donoghue, Ann M., Igo, W., Simmons, L. G., Wildt, David E. and Rieffenberger, J. 1994. Oocyte recovery and maturation in the American black bear (Ursus americanus): a model for endangered Ursids. The Journal of experimental zoology, 269: 53-61.

Monfort, Steven L., Arthur, N. P. and Wildt, David E. 1994. Reproduction in the Przewalski's horse. In: Boyd, E. L. and Houpt, K. A., Przewalski's Horse: The History and Biology of an Endangered Species. Albany, NY: State University of New York Press, pp.173-193.

Monfort, Steven L., Williamson, L. R., Wemmer, Christen M. and Wildt, David E. 1994. Intensive management of the Burmese brow-antlered deer (Cervus eldi thamin) for effective captive breeding and conservation. International Zoo Yearbook, 32: 44-56.

Roth, T., Howard, JoGayle, Swanson, B. and Wildt, David E. 1994. "Felid Action Plan, 1994 Report". Portland, OR: Metro Washington Park Zoo, 15-17.

Roth, Terri L., Donoghue, Ann M., Byers, A. P., Munson, L. and Wildt, David E. 1994. Influence of oviductal cell monlayer co-culture and the presence of corpora hermorrhagica at the time of oocyte aspiration on gamete interaction in vitro in the domestic cat. Journal of assisted reproduction and genetics, 10: 523-529.

Roth, Terri L., Howard, JoGayle and Wildt, David E. 1994. Zona pellucida-piercing enhances zona penetration by spermatozoa from normospermic and teratospermic domestic cats. Journal of andrology, 15: 165-173.

Roth, Terri L., Howard, JoGayle, Donoghue, Ann M., Swanson, William F. and Wildt, David E. 1994. Function and culture requirements of snow leopard (Panthera uncia) spermatozoa in vitro. Journal of reproduction and fertility, 101: 563-569.

Roth, Terri L., Swanson, William F. and Wildt, David E. 1994. Developmental Competence of Domestic Cat Embryos Fertilized in vivo versus in vitro. Biology of Reproduction, 51: 441-451.

Swanson, S., Howard, JoGayle, Roelke, M. and Wildt, David E. 1994. "Felid Action Plan, 1994 Report". Portland, OR: Metro Washington Park Zoo, 28-29.

Swanson, William F., Roth, Terri L. and Wildt, David E. 1994. In vivo embryogenesis, embryo migration, and embryonic mortality in the domestic cat. Biology of Reproduction, 51: 452-464.

Wasser, S. K., Monfort, Steven L., Southers, J., Shackleton, C. and Wildt, David E. 1994. Excretion rate and metabolites of oestradio and progesterone in baboon (Papio cynocephalus) faeces. Journal of reproduction and fertility, 101: 213-220.

Wildt, David E. 1994. Endangered species spermatozoa: Diversity, research and conservation. In: Bartke, A., Function of Somatic Cells in the Testes. New York: Springer-Verlag, pp.1-24.

Wildt, David E., Bush, R. Mitchell, Howard, JoGayle, Grisham, J., Kramer, L., O'Brien, S. J., Kraus, D. and Marker-Kraus, L. 1994. "Felid Action Plan, 1994 Report". Portland, OR: Metro Washington Park Zoo, 32-34.

Brown, Janine L. and Wildt, David E. 1993. Progress on noninvasively monitoring reproductive status in felids using fecal hormonal metabolites. .

Brown, Janine L., Bush, R. Mitchell, Wildt, David E., Raath, J. P., de Vos, V. and Howard, JoGayle. 1993. Effects of GnRH analogues on pituitary-testicular function in free-ranging African elephants (Loxodonta africana). Journal of reproduction and fertility, 99: 627-634.

Brown, Janine L., Packer, C., Monfort, Steven L., Bush, R. Mitchell, Pusy, A. E., O'Brien, S. J., Janssen, D. L. and Wildt, David E. 1993. Hormonal characteristics of free-ranging female lions (Panthera leo) of the Serengeti Plains and Ngorongoro Crater. Journal of reproduction and fertility, 97: 107-114.

Brown, Janine L., Wasser, S. K., Howard, JoGayle, Wells, S., Lang, K., Collins, L., Raphael, B., Schwartz, R., Evans, M., Hoyt, R., Volk, T., Wildt, David E. and Graham, L. H. 1993. Development and utility of fecal progesterone analysis to assess reproductive status in felids. .

Creel, S. R., Wildt, David E. and Monfort, Steven L. 1993. Aggression, reproduction and androgens in wild dwarf mongooses: A test of the challenge hypothesis. The American Naturalist, 141: 816-825.

Donoghue, Ann M., Johnston, L. A., Armstrong, D. L., Simmons, L. G. and Wildt, David E. 1993. Birth of a Siberian tiger cub (Panthera tigris altaica) following laparoscopic intrauterine insemination. Journal of Zoo Wildlife and Medicine, 24: 185-189.

Donoghue, Ann M., Johnston, L. A., Goodrowe, K. L., O'Brien, S. J. and Wildt, David E. 1993. Influence of day of oestrus on egg viability, and comparative efficiency of in vitro fertilization of domestic cats in natural or gonadotrophin-induced oestrus. Journal of reproduction and fertility, 98: 85-90.

Howard, JoGayle, Donoghue, Ann M., Johnston, L. A. and Wildt, David E. 1993. Zona pellucida filtration of structurally abnormal spermatozoa and reduced fertilization in teratospermic cats. Biology of Reproduction, 49: 131-139.

Howard, JoGayle, Munson, L., McAloose, D., Kriete, M., Bush, R. Mitchell and Wildt, David E. 1993. Comparative evaluation of seminal, vaginal, and rectal bacterial flora in the Cheetah and domestic cat. Zoo biology, 12: 81-96.

Johnston, L. A., Donoghue, Ann M., O'Brien, S. J. and Wildt, David E. 1993. Influence of culture medium in vitro oocyte maturation and fertilization in the domestic cat. Theriogenology, 80: 829-839.

Monfort, Steven L., Asher, G. W., Wildt, David E., Wood, T. C., Schiewe, M. C., Williamson, L. R., Bush, R. Mitchell and Rall, William F. 1993. Successful intrauterine insemination in Eld's deer (Cervus eldi thamin) with frozen-thawed spermatozoa. Journal of reproduction and fertility, 99: 459-465.

Monfort, Steven L., Brown, Janine L. and Wildt, David E. 1993. Episodic and seasonal rhythms of cortisol secretion in male Eld's deer (Cervus eldi thamin). Journal of Endocrinology, 138: 41-49.

Monfort, Steven L., Brown, Janine L., Bush, R. Mitchell, Wood, T. C., Wemmer, Christen M., Vargas, A., Williamson, L. R., Montali, Richard J. and Wildt, David E. 1993. Circannual inter-relationships among reproductive hormones, gross morphometry, behaviour, ejaculate characteristics and testicular histology in Eld's deer stags (Cervus eldi thamin). Journal of reproduction and fertility, 98: 471-480.

Monfort, Steven L., Brown, Janine L., Wood, T. C., Wemmer, Christen M., Vargas, A., Williamson, L. R. and Wildt, David E. 1993. Seasonal secretory patterns of basal and GnRH-induced LH, FSH, and testosterone secretion in Eld's deer stags (Cervus eldi thamin). Journal of reproduction and fertility, 98: 481-488.

Wasser, S. K., Thomas, R., Nair, P. P., Guidry, C., Southers, J., Lucas, J., Wildt, David E. and Monfort, Steven L. 1993. Effects of dietary fiber on faecal steroid measurements. Journal of reproduction and fertility, 97(2): 569-574.

Wildt, David E., Brown, Janine L., Bush, R. Mitchell, Barone, Mark A., Cooper, K. A., Grisham, J. and Howard, JoGayle. 1993. Reproductive status of the cheetah (Acinonyx jabatus) in North American zoos: the benefits of physiological surveys for strategic planning. Zoo biology, 12: 45-80.

Wildt, David E., Seal, Ulysses S. and Rall, William F. 1993. Genetic resource banks and reproductive technology for wildlife conservation. In: Cloud, J. G. and Thorgaard, G. H., Genetic Conservation and Salmonid Fishes. New York: Plenum Publishing Corporation, pp.159-173.

Andrews, J. C., Howard, JoGayle, Bavister, B. D. and Wildt, David E. 1992. Sperm capacitation in the domestic cat (Felis catus) and leopard cat (Felis bengalensis) as studied with a salt-stored zona pellucida penetration assay. Molecular reproduction and development, 31: 200-207.

Brown, Janine L., Bush, R. Mitchell, Monfort, Steven L. and Wildt, David E. 1992. Fertility regulation in female elephants: applicability and potential problems of using steroidal hormones for contraception. .

Bush, R. M., Howard, JoGayle, Brown, Janine L., Barone, Mark A., Cooper, K. A. and Wildt, David E. 1992. Reproductive status of cheetahs (Acinonyx jubatus) in North American zoos: The benefits of physiological surveys for strategic planning. .

Byers, A. P., Barone, Mark A., Donoghue, Ann M. and Wildt, David E. 1992. The mature domestic cat oocyte does not express a cortical granule-free domain. Biology of Reproduction, 47: 709-715.

Carlstead, M. K., Brown, Janine L., Monfort, Steven L., Killens, R. and Wildt, David E. 1992. Urinary monitoring of psychological stressors in domestic and nondomestic felids. Zoo biology, 11: 165-176.

Creel, S., Creel, N., Wildt, David E. and Monfort, Steven L. 1992. Behavioural and endocrine mechanisms of reproductive suppression in Serengeti dward mongooses. Animal Behaviour, 43: 231-245.

Donoghue, Ann M., Howard, JoGayle, Byers, A. P., Goodrowe, K. L., Bush, R. Mitchell, Blumer, E., Lukas, J., Stover, J., Snodgrass, K. and Wildt, David E. 1992. Correlation of sperm viability with gamete interaction and fertilization in vitro in cheetah (Acinonyx jubatus). Biology of Reproduction, 46: 1047-1056.

Donoghue, Ann M., Johnston, L. A., Munson, L. A., Brown, Janine L. and Wildt, David E. 1992. Influence of gonadotropin treatment interval on follicular maturation, in vitro fertilization, circulating steroid concentrations and subsequent luteal function in the domestic cat. Biology of Reproduction, 46: 972-980.

Donoghue, Ann M., Johnston, L. A., Seal, Ulysses S., Armstrong, D. L., Simmons, L. G., Gross, T., Tilson, Ronald Lewis and Wildt, David E. 1992. Ability of thawed tiger (Panthera tigris) spermatozoa to fertilize conspecific oocytes and bind and penetrate domestic cat eggs in vitro. Journal of reproduction and fertility, 96: 555-564.

Goodrowe, K. L., Wildt, David E. and Monfort, Steven L. 1992. Manipulation of menstrual cyclicity in the Lowland Gorilla with an oral contraceptive. Zoo biology, 11: 261-269.

Howard, JoGayle, Barone, Mark A., Donoghue, Ann M. and Wildt, David E. 1992. The effect of preovulatory anaesthesia on ovulation in laparascopically inseminated domestic cats. Journal of reproduction and fertility, 96: 175-186.

Howard, JoGayle, Donoghue, Ann M., Barone, Mark A., Goodrowe, K. L., Blumer, E. S., Snodgrass, K., Starnes, D., Tucker, M., Bush, R. Mitchell and Wildt, David E. 1992. Successful induction of ovarian activity and laparoscopic intrauterine artificial insemination in the Cheetah (Acinonyx jubatus). Journal of Zoo and Wildlife Medicine, 23(3): 288-300.

Olmstead, R. A., Langley, R., Roelke, Melody E., Goeken, R. M., Adger-Johnson, D., Goff, J. P., Albert, J. P., Packer, C., Laurenson, M. K., Caro, T. M., Scheepers, L., Wildt, David E., Bush, R. Mitchell, Martenson, J. S. and O'Brien, S. J. 1992. Worldwide Prevalence of Lentivirus Infection in Wild Feline Species: Epidemiologic and Phylogenetic Aspects. Journal of Virology, 66(10): 6008-6018.

Wildt, David E. 1992. Genetic resource banking for conserving wildlife species: justification, examples and becoming organized on a global basis. Animal Reproduction Science, 28: 247-257.

Wildt, David E., Donoghue, Ann M., Johnston, L. A., Schmidt, P. M. and Howard, JoGayle. 1992. Species and genetic effects of the utility of biotechnology for conservation. In: Moore, H. D. M., Holt, W. V. and Mace, G. M., Biotechnology and the Conservation of Genetic Diversity. Oxford: Clarendon Press, pp.45-61.

Wildt, David E., Monfort, Steven L., Donoghue, Ann M., Johnston, L. A. and Howard, JoGayle. 1992. Embryogenesis in conservation biology - or how to make an endangered species embryo. Theriogenology, 37: 161-184.

Barone, Mark A., Howard, JoGayle, Roelke, Melody E. and Wildt, David E. 1991. The unique ejaculate and hormonal characteristics of the Florida panther. .

Brown, Janine L., Bush, R. Mitchell, Packer, C., Pusey, A. E., Monfort, Steven L., O'Brien, S. J., Janssen, D. L. and Wildt, David E. 1991. Developmental changes in pituitary-gonadal function in free-ranging lions (Panthera leo leo) of Serengeti Plains and Ngorongoro crater. Journal of reproduction and fertility, 91: 29-40.

Brown, Janine L., Wildt, David E., Raath, J. P., de Vos, V., Howard, JoGayle, Janssen, D. L., Citino, Scott B. and Bush, R. Mitchell. 1991. Impact of season on seminal characteristics and endocrine status of adult free-ranging African buffalo (Syncerus caffer). Journal of Reproduction and Fertility, 92: 47-57.

Brown, Janine L., Wildt, David E., Raath, J. P., de Vos, V., Janssen, D. L., Citino, Scott B., Howard, JoGayle and Bush, R. Mitchell. 1991. Seasonal variation in pituitary-gonadal function in free-ranging impala (Aepyceros melampus). Journal of reproduction and fertility, 93: 497-505.

Carvalho, C. F., Howard, JoGayle, Collins, L., Wemmer, Christen M., Bush, R. Mitchell and Wildt, David E. 1991. Captive breeding of black-footed ferrets (Mustela nigripes) and comparative reproductive efficiency in 1-year old versus 2-year old animals. Journal of Zoo and Wildlife Medicine, 22(1): 96-106.

Creel, S. R., Monfort, Steven L., Wildt, David E. and Waser, P. M. 1991. Spontaneous lactation is an adaptive result of pseudopregnancy. Nature, 351: 660-662.

Howard, JoGayle, Bush, R. Mitchell and Wildt, David E. 1991. Teratospermia in domestic cats compromises penetration of Zona-free hamster ova and cat zonae pellucidae. Journal of Andrology, 12(1): 36-45.

Howard, JoGayle, Bush, R. Mitchell, Morton, C., Morton, F. and Wildt, David E. 1991. Comparative semen cryopreservation in ferrets (Mustela putorius furo) and pregnancies after laparoscopic intrauterine insemination with frozen-thawed spermatozoa. Journal of reproduction and fertility, 92: 109-118.

Johnston, L. A., Donoghue, Ann M., O'Brien, S. J. and Wildt, David E. 1991. "Rescue" and maturation in vitro of follicular oocytes of nondomestic felid species. Biology of Reproduction, 45: 898-906.

Johnston, L. A., Donoghue, Ann M., O'Brien, S. J. and Wildt, David E. 1991. Culture medium and protein supplementation influence in vitro fertilization and embryo development in the domestic cat. Journal of Experiential Zoology, 257: 350-359.

Johnston, L. A., Donoghue, Ann M., O'Brien, S. J. and Wildt, David E. 1991. Influence of temperature and gas atmosphere on in vitro fertilization and embryo deelopment in the domestic cat. Journal of reproduction and fertility, 92: 377-382.

Monfort, Steven L., Arthur, N. P. and Wildt, David E. 1991. Monitoring ovarian function and pregnancy by evaluating excretion of urinary conjugates in semi- free-ranging Przewalski's horses (Equus przewalski). Journal of Reproduction and Fertility, 91: 155-164.

Monfort, Steven L., Martinet, C. and Wildt, David E. 1991. Urinary steroid metabolite profiles in female Pere David's deer (Elapharus davidinus). Journal of Zoo and Wildlife Medicine, 22(1): 78-85.

Schiewe, M. C., Bush, R. Mitchell, de Vos, V., Brown, Janine L. and Wildt, David E. 1991. Semen characteristics, sperm freezing, and endocrine profiles in free-living wildebeest (Connochaetes taurinus) and greater kudu (Tragelaphus strepsiceros). Journal of Zoo and Wildlife Medicine, 22(1): 58-72.

Schiewe, M. C., Bush, R. Mitchell, Phillips, L. G., Citino, Scott B. and Wildt, David E. 1991. Comparative aspects of estrous synchronization, ovuation induction and embryo cryopreservation in the scimitar-horned oryx, bongo, eland and greater kudu. Journal of Experiential Zoology, 58: 75-88.

Schiewe, M. C., Fitz, T. A., Brown, Janine L., Stuart, L. D. and Wildt, David E. 1991. Relationship of estrous synchronization method, circulating hormones, luteinizing hormone/prostaglandin F2o receptors and luteal progesterone content to premature luteal regression in superovulated sheep. Journal of reproduction and fertility, 93: 19-30.

Schiewe, M. C., Rall, William F., Stuart, L. D. and Wildt, David E. 1991. Analysis of cryoprotectant, cooling rate and in situ dilution using conventional freezing or vitrification for cryopreserving sheep embryos. Theriogenology, 37: 279-293.

Wasser, S. K., Monfort, Steven L. and Wildt, David E. 1991. Rapid extraction of faecal steroids for measuring reproductive cyclicity and early pregnancy in free-ranging yellow baboons (Papio cynocephalus cynocephalus). Journal of reproduction and fertility, 92: 415-423.

Wildt, David E. 1991. Fertilization in cats. In: Dunbar, B. S. and O'Rand, M., A Comparative Overview of Mammalian Fertilization. New York, NY: Plenum Publishing Corporation, pp.299-328.

Wildt, David E. and Howard, JoGayle. 1991. "Felid Taxon Advisory Group Action Plan, 1991-1992 Report". Apple Valley, MN: IUCN/SSC Captive Breeding Specialist Group, 25-26.

Wildt, David E., Bush, R. Mitchell, O'Brien, S. J., Murray, N. D., Taylor, A. and Graves, J. A. M. 1991. Semen characteristics in free-living koalas (Phascolarctos cinereus). Journal of reproduction and fertility, 92: 99-107.

Bush, R. M., Graves, J. A. M., O'Brien, S. J. and Wildt, David E. 1990. Dissociative anesthesia in free-ranging koalas adn selected marsupials in captivity. Australian Veterinary Journal, 67(12): 449-451.

Donoghue, Ann M., Johnston, L. A., Seal, Ulysses S., Armstrong, D. L., Tilson, Ronald Lewis, Wolf, P., Petrini, K., Simmons, L. G., Gross, T. and Wildt, David E. 1990. In vitro fertilization and embryo development in vitro and in vivo in the tiger (Panthera tigris). Biology of Reproduction, 43: 733-747.

Heeney, J. L., Evermann, J. F., McKeirman, A. J., Marker-Kraus, L., Roelke, Melody E., Bush, R. Mitchell, Wildt, David E., Meltzer, D. G., Colly, L., Lukas, J., Manton, V. J. and O'Brien, S. J. 1990. Prevalence and implications of feline coronavirus infections of captive and free-ranging Cheetahs (Acinonyx jubatus). Journal of Virology, 64: 1964-1972.

Howard, JoGayle and Wildt, David E. 1990. Ejaculate-hormonal traits in the leopard cat (Felis bengalensis) and sperm function as measured by in vitro penetration of zona-free hamster ova and zona-intact domestic cat oocytes. Molecular reproduction and development, 26: 163-174.

Howard, JoGayle, Brown, Janine L., Bush, R. Mitchell and Wildt, David E. 1990. Teratospermic and normospermic domestic cats: Ejaculate traits, pituitary-gonadal hormones and improvement of sperm viability and morphology after swim-up processing. Journal of andrology, 11: 204-215.

Miller, A. M., Roelker, K. L., Goodrowe, K. L., Howard, JoGayle and Wildt, David E. 1990. Oocyte recovery, maturation and fertilization in vitro in the puma (Felis unicolor). Journal of reproduction and fertility, 88: 249-258.

Monfort, Steven L., Wemmer, Christen M., Brown, Janine L. and Wildt, David E. 1990. Use of urinary hormone assays for evaluating endocrine patterns associated with the long-day breeding season in Eld's deer (Cervus eldi). Journal of Experimental Zoology, 4: 215-218.

Monfort, Steven L., Wemmer, Christen M., Kepler, T. H., Bush, R. Mitchell, Brown, Janine L. and Wildt, David E. 1990. Monitoring ovarian function and pregnancy in the Eld's deer (Cervus eldi thamin) by evaluating urinary steroid metabolite excretion. Journal of reproduction and fertility, 88: 271-281.

Schiewe, M. C., Howard, JoGayle, Goodrowe, K. L., Stuart, L. D. and Wildt, David E. 1990. Human menopausal gonadotropin (hMG) induces ovulation in sheep but embryo recovery after prostaglandin F2o synchronization is compromised by premature luteal regression. Theriogenology, 27: 469-486.

Schiewe, M. C., Schmidt, P. M., Wildt, David E. and Rall, William F. 1990. Quality control measures in an embryo research program. Theriogenology, 33: 9-22.

Wildt, David E. 1990. Potential applications of IVF technology for species conservation. In: Bavister, B. D., Cummins, J. and Roldan, E. R. S., Fertilization in Mammals. Norwell, pp.349-364.

Brown, Janine L., Wildt, David E., Phillips, L. G., Seidensticker, John, Fernando, S. B. U., Miththapala, S. and Goodrowe, K. L. 1989. Adrenal-pituitary-gonadal relationships and ejaculate characteristics in captive leopards (Panthera pardus kotiya) isolated on the island of Sri Lanka. Journal of reproduction and fertility, 85: 605-613.

Goodrowe, K. L., Howard, JoGayle, Schmidt, P. M. and Wildt, David E. 1989. Reproductive biology of the domestic cat with special reference to endocrinology, sperm function and in vitro fertilization. Journal of reproduction and fertility, Suppl. 39: 73-90.

Goodrowe, K. L., Miller, A. M. and Wildt, David E. 1989. In vitro fertilization of gonadotropin-stimulated leopard cat (Felis bengalensis) follicular oocytes. Journal of Experential Zoology, 252: 89-95.

Johnston, L. A., O'Brien, S. J. and Wildt, David E. 1989. In vitro maturation and fertilization of domestic cat follicular oocytes. Gamete research, 24: 343-356.

Monfort, Steven L., Dahl, K. D., Czekala, N. M., Stevens, Lisa M., Bush, R. Mitchell and Wildt, David E. 1989. Monitoring ovarian function and pregnancy in the Giant Panda (Ailuropoda melanoleuca) by evaluating urinary bioactive FSH and steroid metabolites. Journal of reproduction and fertility, 85: 203-212.

O'Brien, S. J., Benveniste, F. E., Nash, W. G., Martenson, J. S., Eichelberger, N. A., Wildt, David E., Bush, R. Mitchell, Wayne, Robert K. and Goldman, D. 1989. Molecular biology and evolutionary theory: The Giant Panda's closest relatives. In: Warren, I. and Koprowski, H., New Perspectives on Evolution. Wiley-Liss, Inc, pp.225-250.

Pontbriand, D., Howard, JoGayle, Schiewe, M. C., Stuart, L. D. and Wildt, David E. 1989. Effects of cryoprotective diluent and method of freeze-thawing on survival and acrosomal integrity of ram spermatozoa. Cryobiology, 26: 341-354.

Schmidt, P. M., Monfort, Steven L. and Wildt, David E. 1989. PMSG source influences fertilization and fresh or thawed embryo development but the effect is genotype-specific. Gamete research, 23: 11-20.

Wildt, David E., Bush, R. Mitchell, Morton, C., Morton, F. and Howard, JoGayle. 1989. Semen characteristics and testosterone profiles in ferrets kept in a long-day photoperiod, and the influence of timing and sperm dilution medium on pregnancy rate after laparoscopic semination. Journal of reproduction and fertility, 86: 349-358.

Brown, Janine L., Goodrowe, K. L., Simmons, L. G., Armstrong, D. L. and Wildt, David E. 1988. Evaluation of the pituitary-gonadal response to GnRH, and adrenal status, in the leopard (Panthera pardus japonensis) and tiger (Panthera tigris). Journal of reproduction and fertility, 82: 227-236.

Chaudhuri, M., Kleiman, Devra G., Wildt, David E., Bush, R. Mitchell, Frank, E. S. and Thau, R. B. 1988. Urinary steroid concentrations during natural and gonadotrophin-induced oestrus and pregnancy in the giant panda (Ailuropoda melanoleuca). Journal of reproduction and fertility, 84: 23-28.

Goodrowe, K. L., Howard, JoGayle and Wildt, David E. 1988. Comparison of embryo recovery, embryo quality, oestradiol-17á and progesterone profiles in domestic cats at natural and induced-oestrus. Journal of reproduction and fertility, 82: 553-561.

Goodrowe, K. L., Wall, R. J., O'Brien, S. J., Schmidt, P. M. and Wildt, David E. 1988. Developmental competence of domestic cat follicular oocytes after fertilization in vitro. Biology of Reproduction, 39: 355-372.

Miller, A. M., Howard, JoGayle, Goodrowe, K. L., Johnston, L. A., Hurlbut, S. L., Roelke, M., Bush, R. Mitchell and Wildt, David E. 1988. In vitro fertilization strategies for domestic and nondomestic felids. .

Schiewe, M. C., Schmidt, P. M. and Wildt, David E. 1988. Toxicity potential of residual ethylene oxide on embros cryopreserved in gas-sterilized plastic straws. Gamete research, 19: 31-39.

Wildt, David E. and Goodrowe, K. L. 1988. The potential for embryo technology in the black-footed ferret. In: Seal, Ulysses S., Thorne, E. T., Bogan, M. A. and Anderson, S. H., Conservation Biology and the Black-Footed Ferret. New Haven, CT: Yale University Press, pp.160-176.

Wildt, David E., Phillips, L. G., Simmons, L. G., Chakraborty, P. K., Brown, Janine L., Howard, JoGayle, Teare, A. and Bush, R. Mitchell. 1988. A comparative analysis of ejaculate and hormonal characteristics of the captive male Cheetah, Tiger, Leopard, and Puma. Biology of Reproduction, 38: 245-255.

Goodrowe, K. L. and Wildt, David E. 1987. Ovarian response to human chorionic gonadotropin or gonadotropin releasing hormone in natural or induced-estrus cats. Theriogenology, 29: 811-817.

O'Brien, S. J., Collier, G. E., Benveniste, R. E., Nash, W. G., Newman, A. K., Simonson, J. M., Eichelberger, M. A., Seal, Ulysses S., Janssen, D., Bush, R. Mitchell and Wildt, David E. 1987. Setting the molecular clock in Felidae: The great cats, Panthera. In: Tilson, Ronald L. and Seal, Ulysses S., Tigers of the World: The Biology, Biopolitics, Management and Conservation of an Endangered Species.. Park Ridge, NJ: Noyes Publications, pp.10-27.

O'Brien, S. J., Martenson, J. S., Packer, C., Herbst, L., de Vos, V., Joslin, P., Ott-Joslin, J., Wildt, David E. and Bush, R. Mitchell. 1987. Biochemical genetic variation in zoogeographic isolates of African and Asiatic lions. National Geographic Research, 3: 114-124.

O'Brien, S. J., Wildt, David E., Bush, R. Mitchell, Caro, T. M., Fitzgibbon, C. and Leakey, R. E. 1987. East African cheetahs: Evidence for two population bottlenecks? Proceedings of the National Academy of Sciences of the United States of America, 84: 508-511.

Schiewe, M. C., Schmidt, P. M. and Wildt, David E. 1987. A comparative study of mouse embryo freeze preservation including the examination of a thermoelectric cryogenic device. Cryobiology, 24: 238-246.

Schmidt, P. M., Schiewe, M. C. and Wildt, David E. 1987. Genotypic response of mouse embryos to multiple freezing variables. Biology of Reproduction, 37: 1121-1128.

Wildt, David E., Bush, R. Mitchell, Goodrowe, K. L., Packer, C., Pusey, A. E., Brown, Janine L., Joslin, P. and O'Brien, S. J. 1987. Reproductive and genetic consequences of founding isolated lion populations. Nature, 329: 328-331.

Wildt, David E., Howard, JoGayle, Morton, C. and Bush, R. Mitchell. 1987. Reproductive studies of the domestic ferret as an investigational model for the black-footed ferret. .

Wildt, David E., O'Brien, S. J., Howard, JoGayle, Caro, T. M., Roelke, Melody E., Brown, Janine L. and Bush, R. Mitchell. 1987. Similarity in ejaculate-endocrine characteristics in captive versus free-ranging cheetahs of two subspecies. Biology of Reproduction, 36: 351-360.

Wildt, David E., Phillips, L. G., Simmons, L. G., Goodrowe, K. L., Howard, JoGayle, Brown, Janine L. and Bush, R. Mitchell. 1987. Seminal-endocrine characteristics of the Tiger and the potential for artificial breeding. In: Tilson, Ronald L. and Seal, Ulysses S., Tigers of the World: The Biology, Biopolitics, Management and Conservation of an Endangered Species.. Park Ridge, NJ: Noyes Publications, pp.255-279.

Diehl, J. R., Stuart, L. D., Goodrowe, K. L. and Wildt, David E. 1986. Effects of Altrenogest and exogenous gonadotropins on ovarian function and embryo recovery in an inbred strain of miniature pig as influenced by the occurrence of cystic endometrial hyperplasia. Biology of Reproduction, 35: 1261-1268.

Howard, JoGayle, Bush, R. Mitchell and Wildt, David E. 1986. Strategies and reproduction research in captive wild animals. .

Howard, JoGayle, Bush, R. Mitchell and Wildt, David E. 1986. Semen collection, analysis and cryopreservation in nondomestic mammals. In: Morrow, D., Current Therapy in Theriogenology II. Philadelphia, PA: pp.1047-1053.

Howard, JoGayle, Bush, R. Mitchell, de Vos, V., Schiewe, M. C., Pursel, V. G. and Wildt, David E. 1986. Influence of cryoprotective diluent on post-thaw viability and acrosomal integrity of spermatozoa from the African Elephant (Loxodonta africana). Journal of reproduction and fertility, 78: 295-306.

O'Brien, S. J., Wildt, David E. and Bush, R. Mitchell. 1986. "The Cheetah in genetic peril". Scientific American. 254: pp.84-92.

Wildt, David E. 1986. Estrous cycle control in the cat: Induction and prevention. In: Morrow, D., Current Therapy in Theriogenology. Philadelphia: W.B. Saunders Co, pp.808-812.

Wildt, David E. 1986. Spermatozoa: Collection, evaluation, metabolism, freezing and artificial insemination. In: Dukelow, W. R. and Erwin, J., Comparative Primate Biology: Reproduction and Development. New York, NY: Alan R. Liss, Inc, pp.171-194.

Wildt, David E. 1986. Laparoscopy for reproductive evaluation in the dog and cat. In: Burke, T. J., Small Animal Reproduction and Infertility: A Clinical Approach to Diagnosis and Treatment. Philadelphia: Lea and Febiger, pp.121-140.

Wildt, David E., Howard, JoGayle, Chakraborty, P. K. and Bush, R. Mitchell. 1986. The reproductive physiology of the clouded leopard. II. A circannual analysis of adrenal-pituitary-testicular relatioships during electroejaculation or after an adrenocorticotropin hormone challenge. Biology of Reproduction, 34: 949-959.

Wildt, David E., Howard, JoGayle, Hall, L. L. and Bush, R. Mitchell. 1986. The reproductive physiology of the clouded leopard. I. Electroejaculates contain high proportions of pleiomorphic spermatozoa throughout the year. Biology of Reproduction, 34: 937-947.

Wildt, David E., Schiewe, M. C., Schmidt, P. M., Goodrowe, K. L., Howard, JoGayle, Phillips, L. G., O'Brien, S. J. and Bush, R. Mitchell. 1986. Developing animal model systems for embryo technologies in rare and endangered wildlife. Theriogenology, 25: 33-51.

Goodrowe, K. L., Chakraborty, P. K. and Wildt, David E. 1985. Pituitary and gonadal response to exogenous LH-releasing hormone in the male domestic cat. Journal of Endocrinology, 105: 175-181.

Hall, L. L., Bush, R. Mitchell, Howard, JoGayle and Wildt, David E. 1985. Intra and interspecies comparison of sperm migration through polyacrylamide gel as an index of spermatozoal viability. Zoo Biol., 4: 329-337.

Howard, JoGayle, Bush, R. Mitchell, Schiewe, M. C., Vos, de and Wildt, David E. 1985. Further developments in comparative semen freezing in free-ranging African elephants. .

Newman, A., Bush, R. Mitchell, Wildt, David E., Van Dam, D., Frankenhuis, M., Simmons, L., Phillips, L. G. and O'Brien, S. J. 1985. Biochemical genetic variation in eight endangered feline species. Journal of Mammalogy, 66: 256-267.

O'Brien, S. J., Benveniste, R. E., Nash, W. G., Simonson, J. M., Eichelberger, M. A., Wildt, David E. and Bush, R. Mitchell. 1985. Constructing a molecular phylogeny of the Giant Panda (Ailuropoda melanoleuca). Bongo, Proceedings of the International Symposium on the Giant Panda, : 175-182.

O'Brien, S. J., Nash, W. G., Wildt, David E., Bush, R. Mitchell and Benveniste, R. E. 1985. Riddle of the giant panda's phylogeny: A molecular solution. Nature, 317: 140-144.

O'Brien, S. J., Roelke, Melody E., Marker, L., Newman, A., Winkler, C. W., Meltzer, D., Colly, L., Everman, J., Bush, R. Mitchell and Wildt, David E. 1985. Genetic basis for species vulnerability in the Cheetah. Science, 227: 1428-1434.

Schiewe, M. C., Schmidt, P. M., Bush, R. Mitchell and Wildt, David E. 1985. Toxicity potential of absorbed-retained ethylene oxide residues in culture dishes on embryo development in vitro. Journal of animal science, 60: 1610-1618.

Schmidt, P. M., Hansen, C. T. and Wildt, David E. 1985. Viability of frozen-thawed mouse embryos is affected by genotype. Biology of Reproduction, 32: 507-514.

Wildt, David E. 1985. Reproductive techniques of potential use in the artificial propagation of nonhuman primates. In: Heltne, P. G., The Lion-Tailed Macaque: Status and Conservation. New York, NY: Alan R. Liss, Inc, pp.161-194.

Wildt, David E. and Lawler, D. F. 1985. Laparoscopic sterilization of the bitch and queen by uterine horn occlusion. American Journal of Veterinary Research, 46: 864-869.

Wildt, David E., Howard, JoGayle and Bush, R. Mitchell. 1985. Ejaculate characteristics and adrenal-pituitary-gonadal relationships in clouded leopards evaluated throughout the year. .

Carter, K. K., Chakraborty, P. K., Bush, R. Mitchell and Wildt, David E. 1984. Effects of electroejaculation and Ketamine-HCL on serum cortisol, progesterone, and testosterone in the male cat. Journal of Andrology, 5: 431-437.

Howard, JoGayle, Bush, R. Mitchell, de Vos, V. and Wildt, David E. 1984. Electroejaculation, semen characteristics and serum testosterone concentrations of free-ranging African elephants (Loxodonta africana). Journal of Reproduction and Fertility, 72: 187-195.

Howard, JoGayle, Bush, R. Mitchell, Hall, L. L. and Wildt, David E. 1984. Morphological abnormalities in spermatozoa of 28 species of nondomestic felids. .

Howard, JoGayle, Bush, R. Mitchell, Simmons, L. G. and Wildt, David E. 1984. Comparative evaluation of ejaculate characteristics in nondomestic felids with emphasis on sperm morphology. .

Moore, H. D. M., Bush, R. Mitchell, Celma, M., Garcia, A. L., Hartman, T. D., Hearn, J. P., Hodges, J. K., Jones, D. M., Knight, J. A., Monsalve, L. and Wildt, David E. 1984. Artificial insemination in the giant panda (Ailuropoda melanoleuca). Journal of Zoology, 203: 269-278.

O'Brien, S. J., Goldman, D., Knight, J., Moore, H. D., Wildt, David E., Bush, R. Mitchell, Montali, Richard J. and Kleiman, Devra G. 1984. Giant panda paternity. Science, 223: 1127-1128.

Schiewe, M. C., Bush, R. Mitchell, Stuart, L. S. and Wildt, David E. 1984. Laparoscopic embryo transfer in domestic sheep: A preliminary study. Theriogenology, 22(6): 675-682.

Wildt, David E. and Bush, R. Mitchell. 1984. Reproductive physiology studies in zoological species: Concerns and strategies. Zoo biology, 3: 363-372.

Wildt, David E., Chakraborty, P. K., Meltzer, D. and Bush, R. Mitchell. 1984. Pituitary and gonadal response to LH releasing hormone administration in the female and male Cheetah. Journal of endocrinology, 101: 51-56.

Wildt, David E., Meltzer, D., Chakraborty, P. K. and Bush, R. Mitchell. 1984. Adrenal-testicular-pituitary relationships in the Cheetal subjected to anesthesia/electroejaculation. Biology of Reproduction, 30: 665-672.

Camp, J. C., Wildt, David E., Howard, P. K., Stuart, L. D. and Chakraborty, P. K. 1983. Ovarian activity during normal and abnormal length estrous cycles in the goat. Biology of Reproduction, 28: 673-681.

Howard, JoGayle, Bush, R. Mitchell, Colly, L., Vos, de and Wildt, David E. 1983. Electroejaculation techniques and semen evaluation in rhinoceroses. .

Howard, JoGayle, Wildt, David E., Chakraborty, P. K. and Bush, R. Mitchell. 1983. Reproductive traits including seasonal observations on semen quality and serum hormone concentrations in the Dorcas Gazelle. Theriogenology, 20: 221-234.

Howard, P. K., Chakraborty, P. K., Camp, J. C., Stuart, L. and Wildt, David E. 1983. Endocrine-ovarian relationships during the estrous cycle and the influence of parity in an inbred strain of miniature swine. Journal of Animal Science, 57: 1517-1524.

O'Brien, S. J., Wildt, David E., Goldman, D., Merril, C. R. and Bush, R. Mitchell. 1983. The Cheetah is depauperate in genetic variation. Science, 221(4609): 459-462.

Phillips, L. G., Simmons, L. G., Wildt, David E., Roelke, M., Howard, JoGayle and Bush, R. Mitchell. 1983. Adrenal response to anesthesia and surgical manipulation in female felids. .

Platz Jr., C. C., Wildt, David E., Howard, JoGayle and Bush, R. Mitchell. 1983. Electroejaculation and semen analysis and freezing in the Giant Panda (Ailuropoda melanoleuca). Journal of reproduction and fertility, 67: 9-12.

Schmidt, P. M., Chakraborty, P. K. and Wildt, David E. 1983. Ovarian activity, circulating hormones and sexual behavior in teh cat. II. Relationships during pregnancy, parturition, lactation and the post-partum estrus. Biology of Reproduction, 28: 657-671.

Wildt, David E., Bush, R. Mitchell, Howard, JoGayle, O'Brien, S. J., Meltzer, D., van Dyk, A., Ebedes, H. and Brand, D. H. 1983. Unique seminal quality in the South African Cheetah and a comparative evaluation in the domestic cat. Biology of Reproduction, 29: 1019-1025.

Wildt, David E., Howard, JoGayle, Vos, de and Bush, R. Mitchell. 1983. Ejaculate traits, comparative semen freezing and endocrine relationships in free-ranging African elephants. .

Wood, J. R., Wood, F. E., Critchley, K. H., Wildt, David E. and Bush, R. Mitchell. 1983. Laparoscopy of the Green Sea Turtle (Chelonia mydas). British Journal of Herpetology, 6: 323-327.

Chan, S. Y. W., Chakraborty, P. K., Baas, E. J. and Wildt, David E. 1982. Ovarian-endocrine-behavioral function in the domestic cat treated with exogenous gonadotropins during mid-gestation. Journal of reproduction and fertility, 65: 395-399.

Howard, P. K., Chakraborty, P. K., Camp, J. C., Stuart, L. and Wildt, David E. 1982. Correlates of ovarian morphology, estrous behavior and cyclicity in an inbred strain of miniature swine. The Anatomical Record, 203: 55-65.

Phillips, L. G., Simmons, L. G., Bush, R. Mitchell, Howard, JoGayle and Wildt, David E. 1982. Gonadotropin regimen for inducing ovarian activity in captive wild felids. Journal of the American Veterinary Medical Association, 181(11): 1246-1250.

Wildt, David E., Baas, E. J., Wolfle, T. L., Chakraborty, P. K. and Stewart, A. P. 1982. Influence of inbreeding on reproductive performance, ejaculate quality and testicular volume in the male dog. Theriogenology, 17: 445-452.

Wildt, David E., Chakraborty, P. K., Cambre, Richard C., Howard, JoGayle and Bush, R. Mitchell. 1982. Laparoscopic evaluation of the reproductive organs and abdominal cavity content of the Lowland gorilla. American Journal of Primatology, 2: 29-42.

Chan, S. Y. W., Wildt, David E. and Chakraborty, P. K. 1981. Immunological studies of canine ovarian antigens. Theriogenology, 16: 61-71.

Chan, S. Y. W., Wildt, David E. and Chakraborty, P. K. 1981. Development and characterization of feline ovarian antiserum. American Journal of Veterinary Research, 42: 1322-1327.

Howard, JoGayle, Bush, R. Mitchell, Wildt, David E., Brand, D. J., Ebedes, H., Dyk, van and Meltzer, D. 1981. Preliminary reproductive physiology studies on cheetahs in South Africa. .

Howard, JoGayle, Pursel, V. G., Wildt, David E. and Bush, R. Mitchell. 1981. Comparison of various extenders for freeze-preservation of semen from selective captive wild ungulates. Journal of the American Veterinary Medical Association, 179(11): 1157-1161.

Wildt, David E., Chan, S. Y. W., Seager, S. W. J. and Chakraborty, P. K. 1981. Ovarian activity, circulating hormones and sexual behavior in the cat. I. Relationships during the coitus-induced luteal phase and the estrous period without mating. Biology of Reproduction, 25: 15-28.

Wildt, David E., Platz, C. C., Seager, S. W. J. and Bush, R. Mitchell. 1981. Induction of ovarian activity in the Cheetah (Acinonyx jubatus). Biology of Reproduction, 24: 217-222.

Wildt, David E., Seager, S. W. J. and Bridges, C. H. 1981. Sterilization of the male dog and cat by laparoscopic occlusion of teh vas deferens. American Journal of Veterinary Research, 42: 1888-1897.

Bush, R. M., Seager, S. W. J. and Wildt, David E. 1980. Chapter 10. Laparoscopy in zoo mammals. In: Harrison, R. M. and Wildt, David E., Animal Laparoscopy. Baltimore, MD: Williams & Wilkins CO, pp.169-182.

Harrison, R. M. and Wildt, David E. 1980. Animal Laparoscopy Baltimore, MD: Williams & Wilkins CO.

Bush, R. M., Wildt, David E., Kennedy, S. and Seager, S. W. 1978. Laparoscopy in zoological medicine. Journal of the American Veterinary Medical Association, 173(9): 1081-1087.

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