基于树木的机器学习算法的比较,用于根据解后的精子学参数对牲畜品种进行分类
Doğukan Özen1, Hülya Özen2, Elif Bersu Gül3
1Faculty of Veterinary Medicine, Department of Biostatistics, Ankara University, Ankara, Turkiye.
Veterinary medicine and science
|August 1, 2025
概括
随机梯度增强 (SGB) 通过使用计算机辅助精子分析 (CASA) 数据,有效地按品种分类公牛精子. 渐进运动性 (PM) 和速度直线 (VSL) 是家畜品种差异化的关键指标.
科学领域:
- 动物科学动物科学
- 生殖生物学 生殖生物学
- 生物信息学是一种生物信息学.
背景情况:
- 精子质量对于牲畜的繁殖效率和受精成功至关重要.
- 计算机辅助精子分析 (CASA) 为精子评估提供了定量动力变量.
- 精子运动变量在各个牛品种之间可能有很大的差异.
研究的目的:
- 使用CASA变量对霍尔斯坦,西蒙塔尔和查罗莱斯公牛的经解后的精液样本进行分类.
- 评估和比较C5.0,随机森林 (RF) 和随机梯度提升 (SGB) 分类器的性能.
- 为了确定关键的精子运动预测器,以进行品种歧视.
主要方法:
- 三种基于树的分类器 (C5.0,RF,SGB) 应用于CASA衍生的精子变量.
- 数据集被分为培训和测试集 (70/30,75/25,80/20的比例).
- 用10次重复10次的交叉验证来进行参数调整.
主要成果:
- 随机梯度增强 (SGB) 实现了最高的分类准确度 (85.7%),超过了RF (83.5%) 和C5.0 (73.5%).
- 渐进性运动性 (PM),多动性和速度直线 (VSL) 被确定为最有信息的预测因素.
- 对于霍尔斯坦,西门特和夏洛莱品种的准确率分别为86.4%,84.3%和86.5%,使用SGB.
结论:
- SGB是一个强大的分类器,用于根据精子动力学区分公牛品种.
- 通过CASA数据和机器学习,可以识别特定品种的精子特征.
- 这些发现支持开发特定品种的CASA校准,以改善畜牧资源分配.
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