两种Cynops的长期饲养及老Cynops ensicauda popei的育性（两栖纲：Urodela）

IF 0.6 4区生物学 Q4 ZOOLOGY

Current Herpetology Pub Date : 2023-08-25 DOI:10.5358/hsj.42.210

Hiroki Shiroma, Tatsuhiro Tokuda, Ai Tokuda, Ryocho Kamimura, S. Takenaka, A. Tominaga

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引用次数: 0

摘要

摘要：对pyrrhogaster和ensicauda popei的长期饲养证实，这两个物种的寿命均超过36年；C.pyrrhogaster长于37年和C.e.popei长于36年。34岁或以上的雄性C.e.popei表现出与同种年轻雌性的繁殖行为，并成功繁殖。这只年老的雄性和六个后代之间的父系关系也得到了基因证明，这表明雄性C.e.popei在34岁或更大的时候保持了生育能力。由于生理寿命和繁殖能力是生命史研究的重要参数，我们的发现对物种的保护有意义。

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Long-Term Rearing of Two Cynops Species and Fertility of Old Cynops ensicauda popei (Amphibia: Urodela)

Abstract: Long-term rearing of Cynops pyrrhogaster and Cynops ensicauda popei confirmed that the longevities of the two species were longer than 36 years; C. pyrrhogaster longer than 37 years and C. e. popei longer than 36 years, respectively. The male C. e. popei that was 34 years old or older showed reproductive behavior with a conspecific young female and successfully bred. The paternal relationships between the old male and the six offspring were also genetically proven, indicating that the male C. e. popei retained its fertility at the age of 34 or older. Since physiological longevity and reproductive ability are important parameters for life history studies, our findings are meaningful for the conservation of the species.

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来源期刊

Current Herpetology Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.20

自引率

14.30%

发文量

期刊介绍： Current Herpetology publishes original research articles on amphibians and reptiles. It is the official journal of the Herpetological Society of Japan and is a continuation of Acta Herpetologica Japonica (1964–1971) and Japanese Journal of Herpetology (1972-1999).