将公猪精液储存在 5 °C，以减少猪人工授精中抗生素的使用：从科学到实践的途径。

IF 2.2 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animal Reproduction Science Pub Date : 2024-10-01 DOI:10.1016/j.anireprosci.2024.107486

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引用次数: 0

摘要

将公猪精液储存在 5 °C，而不是传统的 17 °C，是一种创新的保存理念。它能增强对射精中正常存在的细菌和环境中潜在的抗药性污染物的保护。因此，它可以减少甚至消除猪精液添加剂中的抗生素。本文回顾了公猪精液低温保存方法的现状，特别关注野外授精试验中的抗菌效率和繁殖力。文章特别阐明了精液延长剂和温度管理对实现高繁殖力和生物安全的作用。来自不同国家的 1,841 头母猪的授精数据显示，与在 17 °C 下储存的对照组相比，在 5 °C 下储存的精液具有同样高的产仔率和产仔数。从添加了耐多药细菌的精液剂量中获得的微生物学数据显示，低温精液储藏可有效抑制具有高精子毒性的沙雷氏菌的生长。男性生殖微生物群对女性生育能力的生理作用这一概念的不断发展，进一步证明了在精液添加剂中添加抗生素并不能完全消灭精液中的细菌。最后，还揭示了在猪人工授精中使用这种新型保存工具的动机和实际考虑因素，这可能会鼓励公猪精液剂量的可持续生产向 "一体健康 "方法转变。

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Boar semen storage at 5 °C for the reduction of antibiotic use in pig insemination: Pathways from science into practice

Storage of boar semen at 5 °C instead of the conventional temperature of 17 °C is an innovative preservation concept. It enhances protection against the growth of bacteria normally occurring in the ejaculates and potential drug-resistant contaminants from the environment. Thereby it allows the reduction or even elimination of antibiotics in porcine semen extenders. The present article reviews the current state of the low-temperature preservation approach of boar semen, with a special focus on antimicrobial efficiency and fertility in field insemination trials. Particularly the role of semen extenders and temperature management for the achievement of high fertility and biosecurity are elucidated. Insemination data of 1,841 sows in there different countries revealed equally high farrowing rates and litter sizes of semen stored at 5 °C compared to the controls stored at 17 °C. Microbiology data obtained from semen doses spiked with multi-drug resistant bacteria showed the efficiency of the cold semen storage for inhibiting the growth of Serratia marcescens, a bacterial species with high sperm-toxicity. Evolving concepts on the physiological role of the male reproductive microbiome for female fertility provides a further argument against the complete eradication of bacteria in the semen dose by antibiotic additives to the extenders. Finally, motivation and practical considerations for the use of the novel preservation tool in artificial insemination of pigs are revealed, which might encourage the transformation towards a sustainable production of boar semen doses following the One Health approach.

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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.