Male reproductive biotechnologies in South American Camelids Part I: Semen collection, evaluation and handling

IF 2.2 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE Animal Reproduction Science Pub Date : 2024-11-06 DOI:10.1016/j.anireprosci.2024.107634

María Ignacia Carretero , Susana María Giuliano , Marcelo Horacio Miragaya , Deborah Margarita Neild

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Abstract

This review describes the first steps necessary to apply any reproductive biotechnology in South American camelids (SAC) semen or sperm: sample collection, evaluation and handling. In camelids, the length and position adopted for mating and the site of semen deposition have conditioned semen collection methods. The advantages and disadvantages of available collection methods are summarized. The two main drawbacks for applying assisted reproductive techniques in SAC: sperm concentration and rheological characteristics are discussed. Techniques currently available to reliably evaluate diverse sperm characteristics are described, as are different methods to improve semen handling. Finally, advances made regarding the role of seminal plasma in SAC spermatozoon physiology are addressed. Part II of the review will cover the subsequent steps of dilution and cryopreservation of samples. Current results obtained using artificial insemination (AI) in SAC will also be covered in Part II.

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南美洲驼科动物雄性生殖生物技术第一部分：精液采集、评估和处理。

本综述介绍了在南美洲驼科动物（SAC）精液或精子中应用任何生殖生物技术的第一步：样本采集、评估和处理。在驼科动物中，交配时采用的长度和位置以及精液沉积的地点都决定了精液采集方法。本文总结了现有收集方法的优缺点。讨论了在驼科动物中应用辅助生殖技术的两个主要缺点：精子浓度和流变特性。介绍了目前可用于可靠评估各种精子特征的技术，以及改进精液处理的各种方法。最后，还讨论了精浆在 SAC 精子生理学中的作用。综述的第二部分将介绍样本稀释和冷冻保存的后续步骤。第二部分还将介绍目前在萨克雷地区使用人工授精（AI）所取得的成果。

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来源期刊

Animal Reproduction Science 农林科学-奶制品与动物科学

CiteScore

4.50

自引率

9.10%

发文量

136

审稿时长

54 days

期刊介绍： Animal Reproduction Science publishes results from studies relating to reproduction and fertility in animals. This includes both fundamental research and applied studies, including management practices that increase our understanding of the biology and manipulation of reproduction. Manuscripts should go into depth in the mechanisms involved in the research reported, rather than a give a mere description of findings. The focus is on animals that are useful to humans including food- and fibre-producing; companion/recreational; captive; and endangered species including zoo animals, but excluding laboratory animals unless the results of the study provide new information that impacts the basic understanding of the biology or manipulation of reproduction. The journal''s scope includes the study of reproductive physiology and endocrinology, reproductive cycles, natural and artificial control of reproduction, preservation and use of gametes and embryos, pregnancy and parturition, infertility and sterility, diagnostic and therapeutic techniques. The Editorial Board of Animal Reproduction Science has decided not to publish papers in which there is an exclusive examination of the in vitro development of oocytes and embryos; however, there will be consideration of papers that include in vitro studies where the source of the oocytes and/or development of the embryos beyond the blastocyst stage is part of the experimental design.