| Successive changes of hematologic characteristics and plasma chemistry values of juvenile loggerhead turtles (Caretta caretta) Y Kakizoe, K Sakaoka, F Kakizoe, M Yoshii, H Nakamura, Y Kanou, ... Journal of Zoo and Wildlife Medicine 38 (1), 77-84, 2007 | 89 | 2007 |
| Sperm Utilization Patterns and Reproductive Success in Captive Loggerhead Turtles (Caretta caretta) K Sakaoka, M Yoshii, H Okamoto, F Sakai, K Nagasawa Chelonian Conservation and Biology 10 (1), 62-72, 2011 | 17 | 2011 |
| Estimation of sperm storage duration in captive loggerhead turtles (Caretta caretta) K Sakaoka, F Sakai, M Yoshii, H Okamoto, K Nagasawa Journal of experimental marine biology and ecology 439, 136-142, 2013 | 16 | 2013 |
| Paternity testing using microsatellite DNA markers in captive Adélie penguins (Pygoscelis adeliae) K Sakaoka, I Suzuki, N Kasugai, Y Fukumoto Zoo biology 33 (5), 463-470, 2014 | 14 | 2014 |
| Change of Plasma Chemistry Values in Captive Breeding Loggerhead Turtles (Caretta caretta) Y Kakizoe, K Sakaoka, Y Akune, Y Kanou, T Saito, I Uchida International Scholarly Research Notices 2013, 2013 | 5 | 2013 |
| Mate selection based on genetic relatedness of loggerhead turtles in captivity K Sakaoka, M Yoshii, H Okamoto, F Sakai, K Nagasawa Chelonian conservation and biology 11 (2), 214-222, 2012 | 5 | 2012 |
| Quantitative analysis of reproductive behavior in captive loggerhead turtles (Caretta caretta) K Sakaoka, M Yoshii, H Nakamura, K Kureha, I Uchida Herpetological Review 38 (4), 395, 2007 | 5 | 2007 |
| First record of Limnotrachelobdella okae (Hirudinida, Piscicolidae) as prey for fishes: a case of heavy predation by Oncorhynchus masou ishikawae (Teleostei, Salmonidae) K Nagasawa, K Sakaoka Biogeography 11, 13-16, 2009 | 3 | 2009 |
| Characterization of microsatellite markers for paternity analysis in captive loggerhead turtles (Caretta caretta). R Tadano, M Mori, K Sakaoka, M Kurita Jpn J Zoo Wildl Med 26 (3), 81-85, 2021 | | 2021 |
| Zoo Biol.: Paternity testing using microsatellite DNA markers in captive Adelie penguins (Pygoscelis adeliae) K Sakaoka, I Suzuki, N Kasugai Journal of Avian Medicine and Surgery 28 (4), 355-356, 2014 | | 2014 |
| Sexual Selection of Loggerhead Turtles (Caretta caretta) in Captivity K Sakaoka | | 2012 |
| Captive breeding of pig-nosed turtle, Carettochelys insculpta. M Ito, T Kasugai, K Sakaoka, M Kobayashi Journal of Japanese Association of Zoos and Aquariums 53 (2), 41-47, 2012 | | 2012 |
| SPERM COMPETITION AND FIRST-MALE PRECEDENCE IN FERTILIZATION IN THE LOGGERHEAD TURTLE (CARETTA CARETTA)(Behavior Biology and Ecology, Abstracts of papers presented at the 75 … K Sakaoka, M Yoshii, H Nakamura, Y Kanou, Y Kakizoe, K Kureha, ... Zoological science 21 (12), 1348, 2004 | | 2004 |
| QUANTITATIVE AND CONTINUOUS ANALYSES OF REPRODUCTIVE BEHAVIORS IN CAPTIVE LOGGERHEAD TURTLE (CARETTA CARETTA) USING SUPERSENSITIVE CAMERAS (Behavior Biology and Ecology … K Sakaoka, M Yoshii, H Nakamura, K Kureha, I Uchida Zoological science 20 (12), 1618, 2003 | | 2003 |
