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Article

Estrous activity in lactating cows with divergent genetic merit for fertility traits.

Journal of dairy science - 1 Feb 2022

Reed C B, Kuhn-Sherlock B, Burke C R, Meier S

Abstract excerpt

This observational study aimed to determine the effect of genetic merit for fertility traits on estrous expression and estrous cycle duration in grazing dairy cows, as measured by an activity monitoring device. A secondary aim was to describe changes in expression of estrus that occur during successive estrous cycles postpartum. Neck-mounted, activity-monitoring devices (Heatime, SCR Engineers Ltd.) were fitted...

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Identifiers

PMID: 34799112
DOI: 10.3168/jds.2021-20811

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