Article
Genetic parameters for yield traits of Holsteins, including lactose and somatic cell score.
Journal of dairy science - 1 May 1992
Welper R D, Freeman A E
Abstract excerpt
First lactation milk, fat, protein, and lactose yields and percentage yields were analyzed using a multiple-trait sire model including herd-year-season, sire group, and age of cow as fixed effects. Somatic cell score was fit both as a fixed effect in the model and as an additional dependent variable in two analyses with almost identical results. Variance components were estimated using REML with an...
Read the complete abstract on PubMedTopics
Share this publication in a Topic to start or enrich a Post.
