Article
Genetic selection for health traits using producer-recorded data. I. Incidence rates, heritability estimates, and sire breeding values.
Journal of dairy science - 1 Dec 2004
Zwald N R, Weigel K A, Chang Y M, Welper R D, Clay J S
Abstract excerpt
The objective of this study was to determine the feasibility of genetic selection for health traits in dairy cattle using data recorded in on-farm herd management software programs. Data regarding displaced abomasum (DA), ketosis (KET), mastitis (MAST), lameness (LAME), cystic ovaries (CYST), and metritis (MET) were collected between January 1, 2001 and December 31, 2003 in herds using Dairy Comp 305, DHI-Plus,...
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