Article
Multivariate threshold model analysis of clinical mastitis in multiparous norwegian dairy cattle.
Journal of dairy science - 1 Sept 2004
Heringstad B, Chang Y M, Gianola D, Klemetsdal G
Abstract excerpt
A Bayesian multivariate threshold model was fitted to clinical mastitis (CM) records from 372,227 daughters of 2411 Norwegian Dairy Cattle (NRF) sires. All cases of veterinary-treated CM occurring from 30 d before first calving to culling or 300 d after third calving were included. Lactations were divided into 4 intervals: -30 to 0 d, 1 to 30 d, 31 to 120 d, and 121 to 300 d after calving. Within each interval,...
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