Article
Genetic change for clinical mastitis in Norwegian cattle: a threshold model analysis.
Journal of dairy science - 1 Jan 2003
Heringstad B, Rekaya R, Glanola D, Klemetsdal G, Welgel K A
Abstract excerpt
Records of clinical mastitis on 1.6 million first-lactation daughters of 2,411 Norwegian Cattle sires that were progeny tested from 1978 through 1998 were analyzed with a threshold model. The main objective was to infer genetic change for the disease in the population. A Bayesian approach via Gibbs sampling was used. The model for the underlying liability had age at first calving, month x year of calving, herd x...
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