Article
Estimating genetic parameters for fertility in dairy cows from in-line milk progesterone profiles.
Journal of dairy science - 1 Aug 2015
Tenghe A M M, Bouwman A C, Berglund B, Strandberg E, Blom J Y, Veerkamp R F
Abstract excerpt
The aim of this study was to define endocrine fertility traits from in-line milk progesterone (P4) records and to estimate genetic parameters for these traits. Correlations of classical fertility (calving interval and calving to first service) and milk production traits with endocrine fertility traits were also estimated. In-line milk P4 records (n=160,952) collected from June 2009 through November 2013 for 2,273...
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