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定时人工授精方面的进展:整合Omics技术,提高乳牛的生殖效率

Jesse Oluwaseun Ayantoye¹, Hubdar Ali Kolachi¹, Xiaomeng Zhang¹

¹Institute of Animal Sciences (IAS), Chinese Academy of Agricultural Sciences (CAAS), No. 2 Yuanmingyuan Western Road, Haidian District, Beijing 100193, China.

Animals : an open access journal from MDPI

|March 28, 2025

概括

同步排卵 (TAI) 提高了奶牛的生育能力,但个体的变化仍然存在. 整合omics技术可以通过为每只奶牛量身定制协议来提供精确的育种,从而提高生殖效率.

科学领域:

生殖生物学和动物科学.
基因组学和分子生物学.
奶牛养殖和可持续农业.

背景情况:

奶牛场的生产率取决于生殖效率,但持续的生育率是一个持续的挑战.
定时人工授精 (TAI) 协议,包括基于GnRH和P4的方法,旨在通过同步排卵来提高怀孕率.
TAI成功的变化与个体奶牛之间的遗传,生理和代谢差异有关.

研究的目的:

审查当前的TAI协议及其局限性.
探索omics技术 (基因组学,转录组学,蛋白质组学,代谢组学) 的整合到TAI.
通过使用分子生物标志物,确定将TAI定制到个别奶牛的策略.

主要方法:

对TAI协议和激素同步的现有文献的审查.
关于在动物繁殖中应用欧米克技术的研究.
分析影响TAI成功的因素,包括动物健康和授精时间.

主要成果:

目前的TAI协议显示由于个体动物的差异,有效性有所变化.
欧米克技术提供了分子洞察力,用于识别个性化TAI协议的生物标志物.
在集成的奥米克学方法和数据集成中存在差距,以便实际应用.

结论:

将omics技术与TAI协议相结合,可以实现针对个体奶牛的精密繁殖.
需要进一步的研究来开发综合的OMIC框架,并验证用于早期怀孕检测的生物标志物.
将分子洞察力与农场应用相结合的跨学科方法对于改善乳牛生育能力和可持续性至关重要.

关键词:

这就是 GnRH.乳牛牛奶牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛牛雌二醇/孕是一种奥米克技术技术的技术.生殖效率提高的生殖效率.有时间的人工授精.

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