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饮食能量改善了荷尔斯泰因母牛的怀孕,通过肠微生物群的相互作用,在最初的繁殖过程中改善了母牛的怀孕

Xusheng Hao¹, Taiping Wu², Xia Li²

¹Inner Mongolia Agricultural University, Hohhot, China.

Animal bioscience

|July 16, 2025

概括

高能量的饮食可以促进雌牛的生殖激素信号和功能,提高15%的受孕率. 这一策略通过微生物驱动的代谢调节来优化乳制品管理.

科学领域:

动物科学动物科学
生殖生物学生殖生物学
微生物组研究微生物组研究

背景情况:

饮食中的能量水平显著影响牲畜的生殖性能.
了解肠微生物群与宿主之间的相互作用对于优化动物健康和生产率至关重要.

研究的目的:

研究如何分级的饮食能量水平调节下丘脑-垂体-腺 (HPG) 轴在霍尔斯坦公牛.
探索肠微生物群与宿主相互作用在初始繁殖期间调解这些影响中的作用.

主要方法:

44只进入青春期的荷尔斯坦公牛被分配给控制或高能量饮食.
评估了生长表现,血清标志物 (生化,免疫,抗氧化剂),生殖激素和乳头参数 (发酵,微生物群,代谢).

主要成果:

高能量的饮食增加了淋巴激素 (FSH,LH) 和益生菌素 (PRL),表明增强了HPG轴活动.
观察到血清甘油三水平增加,免疫标记物发生变化 (例如,IL-2,IL-6增加;IL-4,TNF-α,IFN-γ减少),抗氧化能力改善 (MDA降低).
分析显示pH值下降,挥发性脂肪酸 (VFA) 升高,细菌原蛋白 (BCP) 和特定的微生物变化 (例如Treponema,Prevotellaceae_UCG_003,Ruminococcus) 与激素和代谢变化相关.

结论:

高能量的饮食可以增强下丘脑-垂体信号传递和小牛的小牛皮发酵效率.
这种饮食策略在牧场系统中提高了15%的第一服务受孕率.
通过微生物驱动的代谢调节,优化密集乳制品运营中的生殖管理.

关键词:

能量密度能量密度冠状腺 axis 的位置.荷尔斯坦的公牛是荷尔斯坦的公牛.代谢相互作用的代谢相互作用体微生物群的微生物群

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