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氨和尿素水平升高对解后公牛精液精子特征的体外影响

Amine Abdelli¹, Mohamed Besbaci², Ziyad Al-Kass³

¹Department of Agricultural Sciences, Laboratory of Management and Valorization of Natural Resources and Quality Assurance (LGVRNAQ), University of Bouira, Bouira 10000, Algeria.

Veterinary sciences

|October 28, 2025

概括

高含量会对公牛精子运动和线粒体功能产生负面影响,这些功能对受精至关重要. 尿素的影响较小,突出显示氨是对牛雄性生育的一个关键问题.

科学领域:

生殖生物学生殖生物学
动物科学动物科学
生物化学生物化学

背景情况:

由于代谢而增加的氨和尿素在奶牛中很常见.
这些代谢物可能会损害生殖功能,但它们对公牛精子的影响尚不清楚.

研究的目的:

研究生理学相关度的氨和尿素对公牛精子特征的影响.
确定对精子运动,活力,DNA完整性,线粒体功能和氧化应激的特定影响.

主要方法:

牛精液在受控,低/高尿素,低/高氨条件下进行化.
使用计算机辅助精液分析 (CASA) 分析了精子运动和动力学.
精子活力,DNA完整性,线粒体膜潜力 (MMP) 和氧化应激通过流细胞计进行了评估.

主要成果:

高氨量显著降低了精子线粒体膜潜力 (MMP) 和运动参数 (渐进运动,速度).
高尿素也降低了MMP,但与低尿素相比,并没有显著影响精子运动.
两组之间没有观察到DNA碎片化或氧化应激标志物的显著差异.

结论:

氨,特别是高度的氨,会对雄牛精子的线粒体功能和运动性产生不利影响.
这些发现强调了管理氨水平对于维持牛的雄性生育能力的重要性.
与氨相比,尿素对精子运动有较小的影响.

关键词:

氨是一种氨.牛肉类的牛肉类的牛肉类.共同化是一种共同化.精液特征精液特征尿素 urea 的使用方法

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