作者: G de Jong , A Harbers , A de Roos
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摘要: As of May 2002, the national genetic evaluation for milk, fat and protein production in The Netherlands is performed with a random regression test-day model. This model also advantageous evaluating somatic cell score (SCS), because it can better account environmental effects at level, heterogeneous variances within across lactation correlations lower than one. A SCS requires parameters. aim this study was to estimate parameters