Article
Genetic evaluation of mastitis in dairy cattle using linear models, threshold models, and survival analysis: a simulation study.
Journal of dairy science - 1 Oct 2006
Carlén E, Emanuelson U, Strandberg E
Abstract excerpt
The objective was to study, by simulation, whether survival analysis results in a more precise genetic evaluation for mastitis in dairy cattle than cross-sectional linear models and threshold models by using observation periods for mastitis of 2 lengths (the first 150 d of lactation, and the full lactation, respectively). True breeding values for mastitis liability on the underlying scale were simulated for...
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