Article
Effects of milk protein genotypes on the variation for milk production traits of Holstein and Jersey cows in California.
Journal of dairy science - 1 Aug 1997
Ojala M, Famula T R, Medrano J F
Abstract excerpt
The objectives of this study were to form appropriate composite kappa-beta-alpha(s1)-CN genotypes in order to assess which genotypes were favorably associated with first lactation milk production, fat and protein percentages, and fat and protein production for data of 916 Holstein and 116 Jersey cows. Multiple-trait animal models were used with assumed fixed effects for herd, year and season of calving, age at...
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