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Article

Genetic evaluation of age at first calving for Guzerá beef cattle using linear, threshold, and survival Bayesian models.

Journal of animal science - 29 Jun 2018

Brito Lais C, Casellas Joaquim, Varona Luis, Lopes Paulo S, Ventura Henrique T, Peixoto Maria Gabriela C D, Lázaro Sirlene F, Silva Fabyano F

Abstract excerpt

Age at first calving (AFC) is characterized as a censored trait due to missing values provided by recording mistakes and nonoccurrence or delay in calving communication. In this context, we aimed to compare several statistical methods for genetic evaluation of AFC in Guzerá beef cattle under a Bayesian approach. Seven different methods were used for this purpose. The traditional linear mixed model (LM), which...

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Identifiers

PMID: 29893924
DOI: 10.1093/jas/sky112
PMCID: PMC6095355

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Source receipt: pubmed, retrieved 7 Sept 2026.

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