Article
Genetic analysis of postpartum measures of luteal activity in dairy cows.
Journal of dairy science - 1 Jan 2007
Petersson K-J, Berglund B, Strandberg E, Gustafsson H, Flint A P F, Woolliams J A, Royal M D
Abstract excerpt
The objective of this study was to estimate genetic parameters for measures of luteal activity during the first 60 d postpartum. Analyses were made with different sampling intervals to investigate the possibility of combining progesterone measurement with routinely performed milk recording. Proge...
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