Development of the world farm animal embryo industry over the past 30 years

IF 2.4 2区 农林科学 Q3 REPRODUCTIVE BIOLOGY
Joao Henrique Moreira Viana
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引用次数: 0

Abstract

Embryo technologies have been used over the past three decades globally in most relevant farm species. From a sanitary perspective, embryos collected in vivo have long been recognized as the safest way to trade livestock germplasm, as long as the IETS washing and, if recommended, trypsin-decontaminating procedures are adopted. On the other hand, a number of questions have been raised about the safety of embryos produced in vitro, frequently inhibiting the international commerce of these embryos. In the major players of the world embryo industry, however, in vitro embryo production (IVEP) has become the technology of choice in cattle, and its adoption on a large-scale has caused the world embryo records to be scaled up exponentially. Nowadays, over a million cattle embryos are produced and transferred worldwide, of which approximately 80 % are in vitro produced. Moreover, the same trend is currently being observed in small ruminants and horses. In the present review, we describe the development of the world embryo industry over the past few decades and speculate on how this contributed to the apparent dichotomy between the perceived and the actual risk of transmission of infectious diseases by the transfer of in vitro produced embryos. Additionally, we discuss the future trends of the international market of livestock germplasm, in the light of the changes driven by emerging embryo technologies.

过去 30 年世界农场动物胚胎产业的发展情况
过去三十年来,胚胎技术已在全球大多数相关农场物种中得到应用。从卫生角度来看,只要采用 IETS 清洗程序和建议的胰蛋白酶去污程序,体内收集的胚胎长期以来一直被认为是最安全的牲畜种质贸易方式。另一方面,人们对体外生产的胚胎的安全性提出了一些质疑,这经常阻碍这些胚胎的国际交易。然而,在世界胚胎产业的主要参与者中,体外胚胎生产(IVEP)已成为牛的首选技术,它的大规模采用使世界胚胎记录成倍增长。如今,全世界生产和移植的牛胚胎超过一百万个,其中约 80% 是体外生产的。此外,小反刍动物和马目前也呈现出同样的趋势。在本综述中,我们介绍了过去几十年世界胚胎产业的发展情况,并推测了这是如何导致体外生产胚胎移植传染病传播的预期风险和实际风险之间出现明显的对立。此外,我们还根据新兴胚胎技术带来的变化,讨论了家畜种质国际市场的未来趋势。
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
Theriogenology
Theriogenology 农林科学-生殖生物学
CiteScore
5.50
自引率
14.30%
发文量
387
审稿时长
72 days
期刊介绍: Theriogenology provides an international forum for researchers, clinicians, and industry professionals in animal reproductive biology. This acclaimed journal publishes articles on a wide range of topics in reproductive and developmental biology, of domestic mammal, avian, and aquatic species as well as wild species which are the object of veterinary care in research or conservation programs.
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