Article
Short communication: genetic parameters for fertility-related disorders in Norwegian Red.
Journal of dairy science - 1 Feb 2015
Haugaard Katrine, Heringstad Bjørg
Abstract excerpt
Heritabilities and genetic correlations were estimated for the 4 most common fertility-related disorders in Norwegian Red: retained placenta, cystic ovaries, silent heat, and metritis. Data on 1,747,500 lactations from 780,114 cows calving from January 2001 through December 2011 were analyzed using multivariate threshold sire models to estimate variance components for the 4 disorders in the first 5 lactations....
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