Male reproductive physiology of neotropical felids

Theriogenology wild Pub Date : 2023-01-01 DOI:10.1016/j.therwi.2023.100023

Gislaine Ceregatti, Weber Beringui Feitosa

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Abstract

The Felidae family is composed of 43 species, all of which — except for the domestic cat — face extinction threats in the wild, not only due to poaching and loss of habitat but also to reproductive challenges such as endogamy. To overcome such obstacles, assisted reproduction technologies (ART) have been employed to improve the species' reproductive success. However, the knowledge on wild cats' reproductive physiology is limited, with their domestic relative often being employed as a model organism. The present report is a comprehensive review on the sperm physiology of Neotropical felids, performing a vertical analysis of the data available on spermatic parameters such as ejaculates volumes and concentrations, seminiferous epithelium cycles duration, spermatic efficiency, and prevalence of morphological defects as well as discusses the role of hormonal control of spermatogenesis and its influence on teratospermia. The objective of the present report was to assemble information that would deepen our knowledge of male reproductive physiology and anatomy in Neotropical felids, and also to contrast it with the domestic cat.

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新热带猫科动物的雄性生殖生理学

猫科动物科由43个物种组成，除了家猫之外，所有猫科动物在野外都面临灭绝的威胁，这不仅是因为偷猎和栖息地的丧失，还因为内婚等生殖方面的挑战。为了克服这些障碍，辅助生殖技术(ART)被用于提高物种的繁殖成功率。然而，关于野猫生殖生理的知识是有限的，它们的家养近亲经常被用作模式生物。本报告全面回顾了新热带动物的精子生理学，对精子参数的现有数据进行了纵向分析，如射精量和浓度、精管上皮周期持续时间、精子效率和形态缺陷的患病率，并讨论了激素控制精子发生的作用及其对畸形精子症的影响。本报告的目的是收集信息，以加深我们对新热带猫科动物雄性生殖生理学和解剖学的认识，并将其与家猫进行比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Theriogenology wild Animal Science and Zoology, Veterinary Science

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56 days