Milk, Fat, Protein, Somatic Cell Score, and Days Open Among Holstein, Brown Swiss, and Their Crosses

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 recor...

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Veröffentlicht in:	Journal of dairy science 2007-07, Vol.90 (7), p.3542-3549
Hauptverfasser:	Dechow, C.D., Rogers, G.W., Cooper, J.B., Phelps, M.I., Mosholder, A.L.
Format:	Artikel
Sprache:	eng
Schlagworte:	age at first calving Age Factors animal age Animal productions Animals Biological and medical sciences Breeding Brown Swiss calving Cattle - genetics crossbred crossbreds Crosses, Genetic days open Female Food industries Fundamental and applied biological sciences. Psychology genetic recombination heterosis Holstein Hybrid Vigor lactation Lactation - genetics Least-Squares Analysis Male milk Milk - chemistry Milk - cytology Milk and cheese industries. Ice creams milk fat milk proteins Milk Proteins - genetics milk quality milk yield Models, Genetic Phenotype Recombination, Genetic somatic cell count Terrestrial animal productions traits Vertebrates
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