An annual rhythm in reproductive activities and sexual maturation in male Japanese serows (Capriocornis crispus)
An annual rhythm in reproductive activities and sexual maturation in male Japanese serows (Capriocornis crispus)
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雄性日本鬣羚（Capriocornis Cripus）生殖活动和性成熟的年度节律
DOI：
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发表时间：
1988
期刊：
影响因子：
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通讯作者：
Yoshitaka Suzuki
中科院分区：
文献类型：
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作者：
T. Tiba;M. Sato;T. Hirano;I. Kita;M. Sugimura;Yoshitaka Suzuki
1982年至1985年12月至3月，在岐阜县捕获的雄性日本serow的生殖活动的变化进行了研究。对精子发生活性、组织和血清中睾酮和雄烯二酮水平以及精囊中果糖浓度进行了检查。在2.5或3岁以上的完全成年男性中，每次检查的最高值几乎总是在12月发现。从12月到3月，这些值显示出明显的下降趋势。生精活性与睾酮水平、果糖含量与睾酮水平呈极显著正相关。这些结果表明，在本物种的男性生殖活动的年度节律的存在。在幼年动物中，生精活动、睾酮水平和果糖
Changes in reproductive activities were examined in male Japanese serows captured in December to March, 1982 to 1985, in Gifu Prefecture. Examinations were conducted on the spermatogenic activity, testosterone and androstenedione levels in tissue as well as in serum and fructose concentration in the seminal vesicle. In fully adult males over 2.5 or 3 years of age, the highest values in every examination were nearly always found in December. From December to March, the values showed a decided tendency to decrease. A highly significant correlation was found, respectively, between the spermatogenic activity and the testosterone level, and between the fructose content and the testosterone level. These results indicate the presence of an annual rhythm in the reproductive activity in males of this species. In young animals, the spermatogenic activity, testosterone levels, and fructose