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Article

Analysis of the relationship between type traits and functional survival in US Holstein cattle using a Weibull proportional hazards model.

Journal of dairy science - 1 Aug 2004

Caraviello D Z, Weigel K A, Gianola D

Abstract excerpt

Survival analysis with a Weibull proportional hazards model was used to evaluate the effects of 15 linear type traits, 5 composite traits, and final score on the functional longevity of US Holstein cows. Culling data and type classification scores (measured in first lactation) from 891,524 cows with first calving from 1993 to 2000 were used. The data were divided into 9 geographical regions to determine whether...

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Identifiers

PMID: 15328293
DOI: 10.3168/jds.S0022-0302(04)73394-9

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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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