Annual Changes in Testicular Size and Serum and Fecal Testosterone Concentrations in Male Bharals, Pseudois nayaur

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概要

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• The serum and fecal testosterone (T) concentrations and testicular sizes of two male bharals (Pseudois nayaur) were determined for approximately one year. The profiles of the fecal T concentrations showed a similar tendency as the profiles of serum T concentrations, and there was a significant correlation between serum and fecal T concentrations (r=0.72). T concentrations rose drastically in October and decreased gradually until January. The maximum testicular size was observed between November and January. Semen collected between December and January was excellent in quality and comparable to domestic sheep and goats. The active periods of the testes were synchronized with the early breeding season of females.

• 公益社団法人 日本獣医学会の論文

著者

• OKUDA Kazuo

  Himeji Central Park

• KUSUNOKI Hiroshi

  Faculty of Agriculture, Kobe University

• NISHIKAKU Tomoya

  Himeji Central Park

• DOI OSAMU

  Faculty of Agriculture, Gifu University

• UEDA Kaoru

  Himeji Central Park

• KUSUDA Satoshi

  United Graduate School of Agricultural Science, Gifu University

• NAGAMI Hirotada

  Graduate School of Agriculture, Gifu University

• NAKAGAWA Daisuke

  Himeji Central Park

• TAKIDA Toyoharu

  Himeji Central Park

• KURITA Daisuke

  Himeji Central Park

• UEMICHI Koji

  Himeji Central Park

• FUKAI Masaki

  Himeji Central Park

• KUBOTA Hiroshi

  Himeji Central Park

• OOE Tomoko

  Himeji Central Park

• UEDA Kayoko

  Faculty of Applied Biological Sciences, Gifu University

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