Article
Genetic analysis of atypical progesterone profiles in Holstein-Friesian cows from experimental research herds.
Journal of dairy science - 1 Nov 2014
Nyman S, Johansson K, de Koning D J, Berry D P, Veerkamp R F, Wall E, Berglund B
Abstract excerpt
The objective of this study was to quantify the genetic variation in normal and atypical progesterone profiles and investigate if this information could be useful in an improved genetic evaluation for fertility for dairy cows. The phenotypes derived from normal profiles included cycle length traits, including commencement of luteal activity (C-LA), interluteal interval, luteal phase length. and interovulatory...
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