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Article

Genetic parameter estimates of portuguese dairy cows for milk, fat, and protein using a spline test-day model.

Journal of dairy science - 1 Mar 2005

Silvestre A M, Petim-Batista F, Colaço J

Abstract excerpt

A spline animal model was fitted to 152,103 test-day milk, fat, and protein yield records from 14,423 first-lactation cows. The models included age at calving and the herd-test-month as fixed effects. Model fitting was carried out using Restricted Maximum Likelihood with ASREML. For milk yield, t...

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Identifiers

PMID: 15738256
DOI: 10.3168/jds.S0022-0302(05)72789-2

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 4 Sept 2026. Prepared record publication-15738256-2026-09-04.2. Manifest publication-graph-cohort-2026-09-04.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 4 Sept 2026.

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