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Updated: Mar 7, 2026

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计算和建模方法为美国值基因评估的分娩容易度的方法

J M Tabet1, M Bermann1, D Lourenco1

  • 1Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602.

JDS communications
|March 6, 2026
PubMed
概括

美国乳牛生育容易性 (CE) 遗传评估使用父母祖母 (SMGS) 和父母祖母 (SMAT) 模型. 这两种模型,使用牛顿-拉普森 (NR) 或期望最大化 (EM) 算法,为遗传改进提供可靠和高效的解决方案.

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