Article
Milk, fat, protein, somatic cell score, and days open among Holstein, Brown Swiss, and their crosses.
Journal of dairy science - 1 Jul 2007
Dechow C D, Rogers G W, Cooper J B, Phelps M I, Mosholder A L
Abstract excerpt
The objectives of this study were to compare Holstein (HO), Brown Swiss (BS), and their crosses for milk, fat, and protein yields, somatic cell score (SCS), days open (DO), and age at first calving (AFC), and to estimate the effects of heterosis and recombination. First through fifth lactation records were obtained from 19 herds milking crosses among BS and HO. The edited data set included 6,534 lactation records...
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