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乳液发酵,微生物菌群及其代谢物相互作用模式:非孕期和妊娠期阿希丹雅克之间的比较

Xuhui Liu¹, Junxia Zhang¹, Yanmei Niu¹

¹Gansu Key Laboratory of Herbivorous Animal Biotechnology, College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China.

|January 16, 2026

概括

怀孕改变了阿希丹雅克的乳头发酵,微生物组成和代谢物. 这些变化,包括酸和特定细菌的增加,有助于雅克适应繁殖阶段,告知养策略.

科学领域:

动物营养和微生物学
动物生殖生理学动物生殖生理学
代谢学和代谢基因组学

背景情况:

体微生物群和代谢物对食动物的健康和发育至关重要.
了解生殖阶段对雅克的功能影响是有限的.

研究的目的:

为了研究在非孕期和孕期期间在阿希丹雅克的乳头发酵,微生物组成和代谢物概况的变化.
阐明与繁殖相关的雅克流功能适应机制.

主要方法:

分析皮发酵参数,元基因组和代谢组.
在Ashidan yaks中非怀孕 (NP) 和怀孕 (GP) 期间之间的比较.
微生物,代谢和发酵数据之间的相关性分析.

主要成果:

孕期显著增加了酸和氨 (NH3-N) 水平.
微生物的转变包括在怀孕期间Ascomycota,Apicomplexa,Rhodococcus,Acinetobacter和Methanosphaera的增加.
在氨基酸生物合成 (氨酸,氨酸,异氨酸) 和氨酸代谢中丰富了差异化代谢物,其中L-氨酸和尿酸酸是关键.

结论:

阿希丹可以调节它们的小肠微生物群和新陈代谢,以适应不同的生殖阶段.
这些发现为优化怀孕的养管理策略提供了基础.

关键词:

阿希丹 (Ashidan) 的意思是什么?代谢组中的代谢.甲基基因组是指甲基因组中的一部分.体微生物体微生物挥发性脂肪酸是挥发性的脂肪酸.

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