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使用机器学习对猪生育分类的精子流动性的试点评估
Kayla M Mills1, Amanda M Minton2, J M Magee3
1US Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center (BARC), Beltsville, MD 20705, USA.
Translational animal science
|March 9, 2026
概括
预测野猪的生育能力是一项挑战. 一项精子流动性测试显示,通过受孕率对野猪进行分类取得了中等成功,这为猪繁殖提供了潜在的新工具. 需要进一步验证.
科学领域:
- 动物科学动物科学
- 生殖生物学 生殖生物学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 标准的猪精液质量测量 (运动性,形态) 不能充分预测生育能力.
- 低生育性野猪降低了猪业的生殖效率,并造成经济损失.
- 需要准确的生育预测工具来补充现有的评估.
研究的目的:
- 评估精子流动性试验的预测潜力,以根据受孕率 (CR) 来分类野猪.
- 评估商业Duroc猪的精子流动性和CR之间的关系.
- 探索移动性和计算机辅助精液分析 (CASA) 参数对生育预测的有用性.
主要方法:
- 从21只Duroc野猪 (11个高CR,10个低CR) 的繁殖剂量分析了移动性和CASA参数.
- 经过一夜间运输后,精液样本被储存在17°C,并在每周三次复制时进行分析.
- 用双项逻辑回归和随机森林算法来评估预测模型.
主要成果:
- 精子流动性与CR (r=0.47,P=0.03) 和适度预测的生育群 (AUC=0.77,P<0.01) 有显著的关联.
- 该模型在77%的时间内正确地将野猪按CR组排名,当将马作为交互方式包括在内时,这一比例提高到83%.
- 运动反映精子动力学 (例如,ALH,LIN) 和精子振荡 (WOB) 对于CR和运动都很重要.
结论:
- 精子流动性测试显示,作为改善猪业猪猪生育预测的工具,具有前景.
- 运动性反映了鞭毛功能和膜生理学,可以作为更广泛的精液质量指标.
- 在商业应用基于移动性的生育预测之前,在更大,更多样化的群体中进一步验证是必不可少的.
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