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Article

Estrus traits derived from activity measurements are heritable and closely related to the time from calving to first insemination.

Journal of dairy science - 1 May 2015

Ismael Ahmed, Strandberg Erling, Kargo Morten, Fogh Anders, Løvendahl Peter

Abstract excerpt

The aim of this study was to estimate genetic parameters for estrus-related traits that could improve selection for increased fertility due to improved ability of the cow to return to cycling and go into heat after calving. We compared the time from calving to first insemination (CFI) to 3 physical activity traits: the interval from calving to first high activity (CFHA), estrus duration (ED), and estrus strength...

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Identifiers

PMID: 25747826
DOI: 10.3168/jds.2014-8940

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CFI

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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