Evaluation of fixed sources of variation and estimation of genetic parameters for incidence of bovine respiratory disease in preweaned calves and feedlot cattle

The primary objective of this study was to estimate variance components and heritability of bovine respiratory disease (BRD) incidence in beef calves before weaning and during the finishing phase. The second objective was to investigate the impact of BRD incidence and treatment frequency on performa...

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Veröffentlicht in:	Journal of animal science 2010-04, Vol.88 (4), p.1220-1228
Hauptverfasser:	Schneider, M.J, Tait, R.G. Jr, Ruble, M.V, Busby, W.D, Reecy, J.M
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal Husbandry Animals Animals, Newborn - genetics beef cattle Bovine Respiratory Disease Complex - epidemiology Bovine Respiratory Disease Complex - genetics Bovine Respiratory Disease Complex - physiopathology calves carcass characteristics carcass composition carcass weight Cattle - genetics Cattle - growth & development developmental stages disease incidence drug therapy economic impact feedlots finishing genetic correlation Genetic Predisposition to Disease genetic variance genetic variation Genetic Variation - genetics heritability Incidence liveweight gain marbling Meat - standards Models, Genetic respiratory tract diseases weaning weaning weight
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