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Author = Songsasen, N
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Female gonadal hormones and reproductive behaviors as key determinants of successful reproductive output of breeding Whooping Cranes (Grus americana) Brown, Megan E. Converse, Sarah J. Chandler, Jane N. Shafer, Charles Brown, Janine L. Keefer, Carol L. Songsasen, Nucharin 2016 DOI: info:10.1016/j.ygcen.2016.04.009 General and comparative endocrinology v. 230/231
Brown, Megan E., Converse, Sarah J., Chandler, Jane N., Shafer, Charles, Brown, Janine L., Keefer, Carol L. and Songsasen, Nucharin. 2016. Female gonadal hormones and reproductive behaviors as key determinants of successful reproductive output of breeding Whooping Cranes (Grus americana). General and comparative endocrinology, 230/231: 158-165. doi:10.1016/j.ygcen.2016.04.009

Kester, Marieke E., Freeman, Elizabeth W., Songsasen, Nucharin and Huff, Thomas B. 2016. Automated Headspace Solid-Phase Microextraction of Urinary VOCs from Eleven Maned Wolves (Chrysocyon brachyurus): A Recursive Workflow for GC–MS Analysis. In: Schulte, Bruce A., Goodwin, Thomas E. and Ferkin, Michael H., Chemical Signals in Vertebrates 13. Springer International Publishing, pp.477-498. doi:10.1007/978-3-319-22026-0_31

Anti-Müllerian Hormone in the Domestic Dog during the Anestrus to Oestrous Transition Nagashima, J. B. Hansen, B. S. Songsasen, Nucharin Travis, A. J. Place, N. J. 2016 DOI: info:10.1111/rda.12660 Reproduction in Domestic Animals v. 51 No. 1
Nagashima, J. B., Hansen, B. S., Songsasen, Nucharin, Travis, A. J. and Place, N. J. 2016. Anti-Müllerian Hormone in the Domestic Dog during the Anestrus to Oestrous Transition. Reproduction in Domestic Animals, 51(1): 158-164. doi:10.1111/rda.12660

Reproductive seasonality and sperm cryopreservation in the male tufted deer (Elaphodus cephalophus) Panyaboriban, Saritvich Singh, Ram Pratap Songsasen, Nucharin Padilla, Luis Brown, Janine Reed, Dolores Techakumphu, Mongkol Pukazhenthi, Budhan 2016 DOI: info:10.1016/j.theriogenology.2016.03.014 Theriogenology
Panyaboriban, Saritvich, Singh, Ram Pratap, Songsasen, Nucharin, Padilla, Luis, Brown, Janine, Reed, Dolores, Techakumphu, Mongkol and Pukazhenthi, Budhan. 2016. Reproductive seasonality and sperm cryopreservation in the male tufted deer (Elaphodus cephalophus). Theriogenology, doi:10.1016/j.theriogenology.2016.03.014

Comparative movement analysis for a sympatric dhole and golden jackal in a human-dominated landscape Jenks, Kate E. Aikens, Ellen O. Songsasen, Nucharin Calabrese, Justin Fleming, Chris Bhumpakphan, Naris Wanghongsa, Sawai Kanchanasaka, Budsabong Songer, Melissa Leimgruber, Peter 2015 Raffles Bulletin of Zoology v. 63
Jenks, Kate E., Aikens, Ellen O., Songsasen, Nucharin, Calabrese, Justin, Fleming, Chris, Bhumpakphan, Naris, Wanghongsa, Sawai, Kanchanasaka, Budsabong, Songer, Melissa and Leimgruber, Peter. 2015. Comparative movement analysis for a sympatric dhole and golden jackal in a human-dominated landscape. Raffles Bulletin of Zoology, 63: 546-554.

Live Births from Domestic Dog (Canis familiaris) Embryos Produced by In Vitro Fertilization Nagashima, Jennifer B. Sylvester, Skylar R. Nelson, Jacquelyn L. Cheong, Soon Hon Mukai, Chinatsu Lambo, Colleen Flanders, James A. Meyers-Wallen, Vicki Songsasen, Nucharin Travis, Alexander J. 2015 DOI: info:10.1371/journal.pone.0143930 PloS One v. 10 No. 12
Nagashima, Jennifer B., Sylvester, Skylar R., Nelson, Jacquelyn L., Cheong, Soon Hon, Mukai, Chinatsu, Lambo, Colleen, Flanders, James A., Meyers-Wallen, Vicki, Songsasen, Nucharin and Travis, Alexander J. 2015. Live Births from Domestic Dog (Canis familiaris) Embryos Produced by In Vitro Fertilization. PloS One, 10(12) doi:10.1371/journal.pone.0143930

Follicular size and stage and gonadotropin concentration affect alginate-encapsulated in vitro growth and survival of pre- and early antral dog follicles Nagashima, Jennifer Wildt, David E. Travis, Alexander J. Songsasen, Nucharin 2015 DOI: info:10.1071/RD15004 Reproduction, Fertility and Development
Nagashima, Jennifer, Wildt, David E., Travis, Alexander J. and Songsasen, Nucharin. 2015. Follicular size and stage and gonadotropin concentration affect alginate-encapsulated in vitro growth and survival of pre- and early antral dog follicles. Reproduction, Fertility and Development, doi:10.1071/RD15004

Epidermal growth factor improves developmental competence and embryonic quality of singly cultured domestic cat embryos Thongkittidilok, Chommanart Tharasanit, Theerawat Songsasen, Nucharin Sananmuang, Thanida Buarpung, Sirirak Techakumphu, Mongkol 2015 DOI: info:10.1262/jrd.2014-167 Journal of Reproduction and Development v. 61 No. 4
Thongkittidilok, Chommanart, Tharasanit, Theerawat, Songsasen, Nucharin, Sananmuang, Thanida, Buarpung, Sirirak and Techakumphu, Mongkol. 2015. Epidermal growth factor improves developmental competence and embryonic quality of singly cultured domestic cat embryos. Journal of Reproduction and Development, 61(4): 269-276. doi:10.1262/jrd.2014-167

Oral and injectable synthetic progestagens effectively manipulate the estrous cycle in the Przewalski's horse (Equus ferus przewalskii) Collins, C. Wynne Monfort, Steven L. Vick, Mandi M. Wolfe, Barbara A. Weiss, Rachael B. Keefer, Carol L. Songsasen, Nucharin 2014 DOI: info:10.1016/j.anireprosci.2014.03.018 Animal Reproduction Science v. 148 No. 1/2
Collins, C. W., Monfort, Steven L., Vick, Mandi M., Wolfe, Barbara A., Weiss, Rachael B., Keefer, Carol L. and Songsasen, Nucharin. 2014. Oral and injectable synthetic progestagens effectively manipulate the estrous cycle in the Przewalski's horse (Equus ferus przewalskii). Animal Reproduction Science, 148(1/2): 42-52. doi:10.1016/j.anireprosci.2014.03.018

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 Fujihara, Mayako Comizzoli, Pierre Keefer, Carol L. Wildt, David E. Songsasen, Nucharin 2014 DOI: info:10.1095/biolreprod.113.115089 Biology of Reproduction v. 90 No. 4
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

Local people's attitudes and perceptions of dholes (Cuon alpinus) around protected areas in southeastern Thailand Jenks, Kate E. Songsasen, Nucharin Kanchanasaka, Budsabong Leimgruber, Peter Fuller, Todd K. 2014 Tropical Conservation Science v. 7 No. 4
Jenks, Kate E., Songsasen, Nucharin, Kanchanasaka, Budsabong, Leimgruber, Peter and Fuller, Todd K. 2014. Local people's attitudes and perceptions of dholes (Cuon alpinus) around protected areas in southeastern Thailand. Tropical Conservation Science, 7(4): 765-780.

Reproduction and Advances in Reproductive Studies in Carnivores Jewgenow, Katarina Songsasen, Nucharin 2014 DOI: info:10.1007/978-1-4939-0820-2_10 Reproductive Sciences in Animal Conservation: Progress and Prospects v. 753
Jewgenow, Katarina and Songsasen, Nucharin. 2014. Reproduction and Advances in Reproductive Studies in Carnivores. Reproductive Sciences in Animal Conservation: Progress and Prospects, 753: 205-239. doi:10.1007/978-1-4939-0820-2_10

Induction of ovarian activity and ovulation in an induced ovulator, the maned wolf (Chrysocyon brachyurus), using GnRH agonist and recombinant LH Johnson, Amy E. M. Freeman, Elizabeth W. Colgin, Mark McDonough, Caitlin Songsasen, Nucharin 2014 DOI: info:10.1016/j.theriogenology.2014.03.009 Theriogenology v. 82 No. 1
Johnson, Amy E. M., Freeman, Elizabeth W., Colgin, Mark, McDonough, Caitlin and Songsasen, Nucharin. 2014. Induction of ovarian activity and ovulation in an induced ovulator, the maned wolf (Chrysocyon brachyurus), using GnRH agonist and recombinant LH. Theriogenology, 82(1): 71-79. doi:10.1016/j.theriogenology.2014.03.009

Spermatozoa from the maned wolf (Chrysocyon brachyurus) display typical canid hyper-sensitivity to osmotic and freezing-induced injury, but respond favorably to dimethyl sulfoxide Johnson, Amy E. M. Freeman, Elizabeth W. Wildt, David E. Songsasen, Nucharin 2014 DOI: info:10.1016/j.cryobiol.2014.04.004 Cryobiology v. 68 No. 3
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

Improved Sperm Cryosurvival in Diluents Containing Amides versus Glycerol in the Przewalski's Horse (Equus ferus przewalskii) Pukazhenthi, Budhan Johnson, Aime Guthrie, H. David Songsasen, Nucharin Padilla, Luis R. Wolfe, Barbara A. da Silva, Marco Coutinho Alvarenga, Marco A. Wildt, David E. 2014 DOI: info:10.1016/j.cryobiol.2014.01.013 Cryobiology v. 68 No. 2
Pukazhenthi, Budhan, 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

Goodwin, Thomas E., Songsasen, Nucharin, Broederdorf, Laura J., Burkert, Blake A., Chen, C. J., Jackson, Stephen R., Keplinger, K. B., Rountree, Margaret E., Waldrip, Zach J., Weddell, Margaret E., Desrochers, Linda P., Baker, William K., Jr. and Helsper, Johannes P. F. G. 2013. Hemiterpenoids and Pyrazines in the odoriferous urine of the maned wolf (Chrysocyon brachyurus). In: East, Marion L. and Dehnhard, Martin, . Springer New York, pp.171-184.

Community attitudes toward protected areas in Thailand Jenks, Kate E. Songsasen, Nucharin Kanchanasaka, Budsabong Bhumpakphan, Naris Wanghongsa, Sawai Leimgruber, Peter 2013 Natural History Bulletin of the Siam Society v. 59 No. 2
Jenks, Kate E., Songsasen, Nucharin, Kanchanasaka, Budsabong, Bhumpakphan, Naris, Wanghongsa, Sawai and Leimgruber, Peter. 2013. Community attitudes toward protected areas in Thailand. Natural History Bulletin of the Siam Society, 59(2): 65-76.

Terrestrial Activity Patterns of Wild Cats from Camera-Trapping Lynam, Antony J. Jenks, Kate E. Tantipisanuh, Naruemon Chutipong, Wanlop Ngoprasert, Dusit Gale, George A. Steinmetz, Robert Sukmasuang, Ronglarp Bhumpakphan, Naris Grassman, Lon I., Jr. Cutter, Passanan Kitamura, Shumpei Reed, David H. Baker, Megan C. McShea, William J. Songsasen, Nucharin Leimgruber, Peter 2013 Raffles Bulletin of Zoology v. 61 No. 1
Lynam, Antony J., Jenks, Kate E., Tantipisanuh, Naruemon, Chutipong, Wanlop, Ngoprasert, Dusit, Gale, George A., Steinmetz, Robert, Sukmasuang, Ronglarp, Bhumpakphan, Naris, Grassman, Lon I., Jr., Cutter, Passanan, Kitamura, Shumpei, Reed, David H., Baker, Megan C., McShea, William J., Songsasen, Nucharin and Leimgruber, Peter. 2013. Terrestrial Activity Patterns of Wild Cats from Camera-Trapping. Raffles Bulletin of Zoology, 61(1): 407-415.

Comparative cryobiological traits and requirements for gametes and gonadal tissues collected from wildlife species Comizzoli, Pierre Songsasen, Nucharin Hagedorn, Mary M. Wildt, David E. 2012 DOI: info:10.1016/j.theriogenology.2012.04.008 Theriogenology v. 78 No. 8
Comizzoli, Pierre, Songsasen, Nucharin, 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

Cat and Dog Primordial Follicles Enclosed in Ovarian Cortex Sustain Viability after In vitro Culture on Agarose Gel in a Protein-Free Medium Fujihara, Mayako Comizzoli, Pierre Wildt, David E. Songsasen, Nucharin 2012 DOI: info:10.1111/rda.12022 Reproduction in Domestic Animals v. 47 No. Supplement S6
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

Mapping the distribution of dholes, Cuon alpinus (Canidae, Carnivora), in Thailand Jenks, Kate E. Kitamura, Shumpei Lynam, Antony J. Ngoprasert, Dusit Chutipong, Wanlop Steinmetz, Robert Sukmasuang, Ronglarp Grassman, Lon I., Jr. Cutter, Passanan Tantipisanuh, Naruemon Bhumpakphan, Naris Gale, George A. Reed, David H. Leimgruber, Peter Songsasen, Nucharin 2012 DOI: info:10.1515/mammalia-2011-0063 Mammalia v. 76 No. 2
Jenks, Kate E., Kitamura, Shumpei, Lynam, Antony J., Ngoprasert, Dusit, Chutipong, Wanlop, Steinmetz, Robert, Sukmasuang, Ronglarp, Grassman, Lon I., Jr., Cutter, Passanan, Tantipisanuh, Naruemon, Bhumpakphan, Naris, Gale, George A., Reed, David H., Leimgruber, Peter and Songsasen, Nucharin. 2012. Mapping the distribution of dholes, Cuon alpinus (Canidae, Carnivora), in Thailand. Mammalia, 76(2): 175-184. doi:10.1515/mammalia-2011-0063

Camera trap records of dholes in Khao Ang Rue Nai Wildlife Sanctuary, Thailand Jenks, Kate E. Songsasen, Nucharin Leimgruber, Peter 2012 Canid News v. 15 No. 4
Jenks, Kate E., Songsasen, Nucharin and Leimgruber, Peter. 2012. Camera trap records of dholes in Khao Ang Rue Nai Wildlife Sanctuary, Thailand. Canid News, 15(4): 1-5.

Occurrence of Three Felids across a Network of Protected Areas in Thailand: Prey, Intraguild, and Habitat Associations Ngoprasert, Dusit Lynam, Antony J. Sukmasuang, Ronglarp Tantipisanuh, Naruemon Chutipong, Wanlop Steinmetz, Robert Jenks, Kate E. Gale, George A. Grassman, Lon I. Kitamura, Shumpei Howard, JoGayle Cutter, Passanan Cutter, Peter Leimgruber, Peter Songsasen, Nucharin Reed, David H. 2012 DOI: info:10.1111/j.1744-7429.2012.00878.x Biotropica v. 44 No. 6
Ngoprasert, Dusit, Lynam, Antony J., Sukmasuang, Ronglarp, Tantipisanuh, Naruemon, Chutipong, Wanlop, Steinmetz, Robert, Jenks, Kate E., Gale, George A., Grassman, Lon I., Kitamura, Shumpei, Howard, JoGayle, Cutter, Passanan, Cutter, Peter, Leimgruber, Peter, Songsasen, Nucharin and Reed, David H. 2012. Occurrence of Three Felids across a Network of Protected Areas in Thailand: Prey, Intraguild, and Habitat Associations. Biotropica, 44(6): 810-817. doi:10.1111/j.1744-7429.2012.00878.x

The Domestic Dog and Cat as Models for Understanding the Regulation of Ovarian Follicle Development In Vitro Songsasen, Nucharin Comizzoli, Pierre Nagashima, Jennifer Fujihara, Mayako Wildt, David E. 2012 DOI: info:10.1111/rda.12067 Reproduction in Domestic Animals v. 47 No. Supplement S6
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

The ability to achieve meiotic maturation in the dog oocyte is linked to glycolysis and glutamine oxidation Songsasen, Nucharin Wesselowski, Sonya Carpenter, James W. Wildt, David E. 2012 DOI: info:10.1002/mrd.22011 Molecular reproduction and development v. 79 No. 3
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

Adrenal activity in maned wolves is higher on farmlands and park boundaries than within protected areas 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. Songsasen, Nucharin 2012 DOI: info:10.1016/j.ygcen.2012.08.002 General and comparative endocrinology v. 179 No. 2
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. 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

Abnormal Reproductive Patterns in Przewalski's Mares Are Associated with a Loss in Gene Diversity Collins, Christina Wynne Songsasen, Nucharin Vick, Mandi M. Wolfe, Barbara A. Weiss, Rachael B. Keefer, Carol L. Monfort, Steven L. 2011 DOI: info:10.1095/biolreprod.111.092676 Biology of reproduction v. 86 No. 2
Collins, Christina Wynne, Songsasen, Nucharin, Vick, Mandi M., Wolfe, Barbara A., Weiss, Rachael B., Keefer, Carol L. and Monfort, Steven L. 2011. Abnormal Reproductive Patterns in Przewalski's Mares Are Associated with a Loss in Gene Diversity. Biology of reproduction, 86(2) doi:10.1095/biolreprod.111.092676

Cryopreserving endangered species gametes, embryos and gonadal tissue: Challenges, successes and future directions Pukazhenthi, Budhan Hagedorn, Mary M. Comizzoli, Pierre Songsasen, Nucharin Wildt, David E. 2011 DOI: info:10.1016/j.cryobiol.2011.09.014 Cryobiology v. 63 No. 3
Pukazhenthi, Budhan, Hagedorn, Mary M., 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

Activity pattern, reproductive behaviors and gonadal hormones in the raccoon dog (Nyctereutes procyonoides) Rudert, S. Brown, Janine L. Gansloßer, U. Möbius, G. Songsasen, Nucharin 2011 DOI: info:10.1002/zoo.20315 Zoo Biology v. 30 No. 2
Rudert, S., Brown, Janine L., Gansloßer, U., Möbius, G. and Songsasen, Nucharin. 2011. Activity pattern, reproductive behaviors and gonadal hormones in the raccoon dog (Nyctereutes procyonoides). Zoo Biology, 30(2): 134-148. doi:10.1002/zoo.20315

121 Alginate-Fibrin Gel Matrix Promotes in Vitro Growth of Dog Secondary Follicles Songsasen, Nucharin Guzy, C. Wildt, David E. 2011 DOI: info:10.1071/RDv24n1Ab121 Reproduction, Fertility and Development v. 24 No. 1
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

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

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.

Camera-trap evidence of large-spotted civet Viverra megaspila in Khao Ang Rue Nai Wildlife Sanctuary and Khao Yai National Park, Thailand Jenks, K. E. Wanghongsa, S. Songsasen, Nucharin Leimgruber, Peter Howard, JoGayle 2010 Small Carnivore Conservation v. 42
Jenks, K. E., Wanghongsa, S., Songsasen, Nucharin, Leimgruber, Peter and Howard, JoGayle. 2010. Camera-trap evidence of large-spotted civet Viverra megaspila in Khao Ang Rue Nai Wildlife Sanctuary and Khao Yai National Park, Thailand. Small Carnivore Conservation, 42: 19-21.

Oocyte quality and estradiol supplementation affect in vitro maturation success in the white-tailed deer (Odocoileus virginianus) Siriaroonrat, B. Comizzoli, Pierre Songsasen, Nucharin Monfort, Steven L. Wildt, David E. Pukazhenthi, Budhan 2010 DOI: info:10.1016/j.theriogenology.2009.08.007 Theriogenology v. 73 No. 1
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

The role of the Species Survival Plan in Maned wolf Chrysocyon brachyurus conservation Songsasen, Nucharin Rodden, Melissa D. 2010 International Zoo Yearbook v. 44
Songsasen, Nucharin and Rodden, Melissa D. 2010. The role of the Species Survival Plan in Maned wolf Chrysocyon brachyurus conservation. International Zoo Yearbook, 44: 136-148.

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

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 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. Morato, R. G. 2009 Journal of Zoo and Wildlife Diseases v. 45
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.

Songsasen, N. and Comizzoli, P. 2009. A historic overview of embryos and oocyte preservation in the world of mammalian in vitro fertilization and biotechnology. In: Borini, A. and Coticchio, G., Preservation of Human Oocytes. London: Informa Healthcare, pp.1-11.

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

Lessons from biodiversity - the value of nontraditional species to advance reproductive science, conservation, and human health Wildt, David E. Comizzoli, Pierre Pukazhenthi, Budhan Songsasen, Nucharin 2009 DOI: info:10.1002/mrd.21137 Molecular reproduction and development v. 77 No. 5
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

Cryopreservation of Canine Ovarian and Testicular Fibroblasts Yu, I. Leibo, S. P. Songsasen, Nucharin Dresser, B. L. Kim, I. 2009 Cryoletters v. 30 No. 3
Yu, I., Leibo, S. P., Songsasen, Nucharin, Dresser, B. L. and Kim, I. 2009. Cryopreservation of Canine Ovarian and Testicular Fibroblasts. Cryoletters, 30(3): 190-201.

Potential factors affecting semen quality in the Asian elephant (Elephas maximus) Thongtip, N. Saikhun, J. Mahasawangkul, M. Kornkaewrat, K. Pongsopavijutr, P. Songsasen, Nucharin Pinyopummin, A. 2008 Reproductive Biology and Endocrinology v. 17
Thongtip, N., Saikhun, J., Mahasawangkul, M., Kornkaewrat, K., Pongsopavijutr, P., Songsasen, Nucharin and Pinyopummin, A. 2008. Potential factors affecting semen quality in the Asian elephant (Elephas maximus). Reproductive Biology and Endocrinology, 17: 6-9.

Behavioral and physiologic responses to environmental enrichment in the maned wolf (Chrysocyon brachyurus) Cummings, D. Brown, Janine L. Rodden, Melissa D. Songsasen, Nucharin 2007 DOI: info:10.1002/zoo.20138 Zoo Biology v. 26 No. 5
Cummings, D., Brown, Janine L., Rodden, Melissa D. and Songsasen, Nucharin. 2007. Behavioral and physiologic responses to environmental enrichment in the maned wolf (Chrysocyon brachyurus). Zoo Biology, 26(5): 331-343. doi:10.1002/zoo.20138

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

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

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

Patterns of fecal gonadal hormone metabolites in the maned wolf (Chrysocyon brachyurus) Songsasen, Nucharin Rodden, Melissa D. Brown, Janine L. Wildt, David E. 2006 Theriogenology v. 66
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., Songsasen, Nucharin and Deem, Sharon L. 2006. Factors Affecting the Reproductive Success of Jaguars. In: Morato, R. G., Rodrigues, F. H. G., Eizirik, E., Mangini, P. R., Azevedo, F. C. C. and Marinho-Filho, J., Manejo e Conservacao de Carnivoros Neotropcais.. pp.281-304.

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

Effects of meiosis-inhibiting agents and equine chorionic gonadotropin on nuclear maturation of canine oocytes Songsasen, Nucharin Yu, I. Gomez, M. Leibo, S. P. 2003 Molecular reproduction and development v. 65 No. 4
Songsasen, Nucharin, Yu, I., Gomez, M. and Leibo, S. P. 2003. Effects of meiosis-inhibiting agents and equine chorionic gonadotropin on nuclear maturation of canine oocytes. Molecular reproduction and development, 65(4): 435-445.