10.6084/m9.figshare.7509497.v1
Tiago Bresolin
Tiago
Bresolin
Dionéia Magda Everling
Dionéia Magda
Everling
Camila Urbano Braz
Camila Urbano
Braz
Fernanda Cristina Breda
Fernanda Cristina
Breda
Paulo Roberto Nogara Rorato
Paulo Roberto Nogara
Rorato
COMPONENTS OF (CO)VARIANCE FOR AGE AT FIRST AND SECOND CALVING OF NELLORE FEMALES RAISED IN SOUTHERN BRAZIL
SciELO journals
2018
Bayesian inference
beef cattle
genetic parameters
fertility
2018-12-26 03:35:30
Dataset
https://scielo.figshare.com/articles/dataset/COMPONENTS_OF_CO_VARIANCE_FOR_AGE_AT_FIRST_AND_SECOND_CALVING_OF_NELLORE_FEMALES_RAISED_IN_SOUTHERN_BRAZIL/7509497
<div><p>Abstract The objective of this study was to estimate the heritability, genetic correlation and estimated breeding values for age at first (AFC) and second calving (ASC) for Nellore females raised in Southern Brazil. The (co)variance and estimated breeding values were obtained using Bayesian inference in a bivariate analysis, adopting an animal model. The average ages were 49.30 and 69.85 months, and the heritabilities were 0.25 and 0.26, respectively for AFC and ASC. The genetic correlation between AFC and ASC was 0.88. The correlation between the classifications of sires according to their estimated breeding values was 0.93. The heritability estimates for AFC and ASC suggest the possibility of obtaining genetic gain by selection. The correlation between these traits close to one indicates that they are virtually controlled by the same genes, and the selection for one of them will promote correlated advanced gain for the other.</p></div>