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Article

Genotype x environment interaction for age at first calving in Brazilian and Colombian Holsteins.

Journal of dairy science - 1 Aug 2004

Cerón-Muñoz M F, Tonhati H, Costa C N, Maldonado-Estrada J, Rojas-Sarmiento D

Abstract excerpt

The objective was to determine whether there is a genotype x environment interaction for age at first calving (AFC) in Holstein cattle in Brazil and Colombia. Data included 51,239 and 25,569 first-lactation records from Brazil and Colombia, respectively. Of 4230 sires in the data, 530 were North American sires used in both countries. Analyses were done using the REML bi-trait animal model, and AFC was considered...

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Source

Identifiers

PMID: 15328268
DOI: 10.3168/jds.S0022-0302(04)73369-X

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 5 Sept 2026. Manifest publication-graph-cohort-2026-09-05.1.

Source receipt: pubmed, retrieved 5 Sept 2026.

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