Article
Genetic analysis of milk production traits of polish black and white cattle using large-scale random regression test-day models.
Journal of dairy science - 1 Aug 2006
Strabel T, Jamrozik J
Abstract excerpt
Genetic parameters for milk, fat, and protein yield and persistency in the first 3 lactations of Polish Black and White cattle were estimated. A multiple-lactation model was applied with random herd-test-day effect, fixed regressions for herd-year and age-season of calving, and random regressions for the additive genetic and permanent environmental effects. Three data sets with slightly different edits on minimal...
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