著者

吉岡 基 Yoshioka Motoi

出版者

三重大学生物資源学部

雑誌

三重大学生物資源学部紀要 = The bulletin of the Faculty of Bioresources, Mie University (ISSN:09150471)

巻号頁・発行日

vol.16, pp.45-48, 1996-03-01

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This paper briefly reviews some works on reproductive physiology in cetaceans with special reference to dolphins from the following aspects: estrous cycle in female dolphins, hormonal profiles during pregnancy, testosterone levels and seasonality in testicular activity, ovulation induction and sperm collection and freezing.