Advanced assisted reproduction technologies in endangered mammalian species.

IF 1.6 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE Reproduction in Domestic Animals Pub Date : 2024-10-01 DOI:10.1111/rda.14700

Thomas Bernd Hildebrandt, Susanne Holtze

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Abstract

A new synergistic approach of classical conservation strategies combined with advanced assisted reproduction technologies (aART) allows for protection and rescue of endangered keystone species at the brink of extinction, which can help to safeguard complex ecosystems. Reproduction biology and management in mammal species is not only challenging in regards to their diverging sizes, anatomy, and often unknown physiology; it also requires customized training or chemical restraint protocols for safe handling. Besides these general challenges, there are several new assisted reproduction techniques (ART) specifically tailored to critically endangered mammals. The current portfolio of ART in these mammalian taxa is ranging from sexual cycle characterization and manipulation, semen collection and cryopreservation, artificial insemination, biobanking of living cells, oocyte collection, in vitro fertilization (IVF), and embryo production, embryo transfer as well as stem cell-derived in vitro gametogenesis for generating gametes in culture. The article covers advanced assisted reproduction technologies (aART), success and challenges, as well as ethical implications.

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濒危哺乳动物物种的先进辅助生殖技术。

将传统的保护策略与先进的辅助繁殖技术（aART）相结合的新型协同方法可以保护和拯救濒临灭绝的关键濒危物种，有助于保护复杂的生态系统。哺乳动物物种的繁殖生物学和管理不仅因其不同的体型、解剖学和通常未知的生理学而具有挑战性，而且还需要定制的培训或化学约束协议以确保操作安全。除了这些普遍的挑战之外，还有几种新的辅助生殖技术（ART）专门针对极度濒危的哺乳动物。目前这些哺乳动物类群的辅助生殖技术包括性周期特征描述和操作、精液采集和冷冻保存、人工授精、活细胞生物库、卵母细胞采集、体外受精（IVF）、胚胎生产、胚胎移植以及干细胞衍生的体外配子发生（用于在培养中产生配子）。文章涉及先进辅助生殖技术（aART）、成功与挑战以及伦理影响。

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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来源期刊

Reproduction in Domestic Animals 农林科学-奶制品与动物科学

CiteScore

3.00

自引率

5.90%

发文量

238

审稿时长

4-8 weeks

期刊介绍： The journal offers comprehensive information concerning physiology, pathology, and biotechnology of reproduction. Topical results are currently published in original papers, reviews, and short communications with particular attention to investigations on practicable techniques. Carefully selected reports, e. g. on embryo transfer and associated biotechnologies, gene transfer, and spermatology provide a link between basic research and clinical application. The journal applies to breeders, veterinarians, and biologists, and is also of interest in human medicine. Interdisciplinary cooperation is documented in the proceedings of the joint annual meetings. Fields of interest: Animal reproduction and biotechnology with special regard to investigations on applied and clinical research.