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Article

Genetic analysis of calving difficulty and stillbirth in Norwegian Red cows.

Journal of dairy science - 1 Jul 2007

Heringstad B, Chang Y M, Svendsen M, Gianola D

Abstract excerpt

The objectives of this study were to infer genetic parameters for stillbirth (SB) and calving difficulty (CD) and to evaluate phenotypic and genetic change for these traits in the Norwegian Red breed. Stillbirth is recorded as a binary trait and calving difficulty has 3 categories: 1) easy calving, 2) slight problems, and 3) difficult calving. The overall mean frequency of SB in Norwegian Red was 3% at first...

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Identifiers

PMID: 17582134
DOI: 10.3168/jds.2006-792

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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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