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Potential factors affecting semen quality in the Asian elephant (Elephas maximus) |
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| Authors: | Nikorn Thongtip Jumnian Saikhun Sittidet Mahasawangkul Kornchai Kornkaewrat Pornsawan Pongsopavijitr Nucharin Songsasen Anuchai Pinyopummin |
| Affiliation: | (1) Faculty of Veterinary Medicine, Kasetsart University, Nakhonpathom, 73140, Thailand;(2) Center for Agricultural Biotechnology, Kasetsart University, Nakhonpathom, 73140, Thailand;(3) Institute of Science and Technology for Research and Development, Mahidol University, Salaya, Nakhonpathom, 73170, Thailand;(4) The National Elephant Institute, Forest Industry Organization, Lampang, 52000, Thailand;(5) Faculty of Veterinary Medicine, Chiangmai University, Chiangmai, 52000, Thailand;(6) Department of Reproductive Sciences, Conservation and Research Center Smithsonian's National Zoological Park, USA |
| Abstract: | BackgroundOne of the major obstacles in using artificial insemination to manage genetics of elephant population in captivity is the large variations in semen quality among ejaculates within the same and among individuals. The objectives of this study were to determine the influences of (1) age (2) seasonality (3) and circulating testosterone (SrTest), triiodothyronine (SrT3) and tetraiodothyronine (SrT4), as well as seminal (4) testosterone (SpTest), zinc (SpZn) and protein (SpTP) on semen quality in the Asian elephant |
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