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Article

Heterogeneity of genetic parameters for calving difficulty in Holstein heifers in Ireland.

Journal of dairy science - 1 Aug 2007

Hickey J M, Keane M G, Kenny D A, Cromie A R, Amer P R, Veerkamp R F

Abstract excerpt

Calving difficulty is a trait that greatly affects animal welfare, herd profitability, and the amount of labor required by cattle farmers. It is influenced by direct and maternal genetic components. Selection and breeding strategies can optimize the accuracy of genetic evaluations and correctly emphasize calving difficulty in multiple-trait indices provided there are accurate estimates of genetic parameters. In...

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Identifiers

PMID: 17639001
DOI: 10.3168/jds.2006-717

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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