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Multitrait meta-analysis identified genomic regions associated with sexual precocity in tropical beef cattle.
TLDR
A meta-analysis study for traits related to sexual precocity in tropical beef cattle aiming to identify important genomic regions affecting these traits consistent with the postulation that reproductive traits are complex polygenic phenotypes. Expand
Prediction of meat quality traits in Nelore cattle by near-infrared reflectance spectroscopy.
TLDR
NIRS was unsuitable to predict subjective meat quality traits such as marbling in Nelore cattle. Expand
Genome-wide scan highlights the role of candidate genes on phenotypic plasticity for age at first calving in Nellore heifers
TLDR
Gene set enrichment analyses identified important biological functions related to growth, hormone levels affecting female fertility, physiological processes involved in female pregnancy, gamete generation, ovulation cycle, and age at puberty that support complex interactions between the gonadotropic axes and sexual precocity in Nellore heifers. Expand
Circulating leptin and its muscle gene expression in Nellore cattle with divergent feed efficiency
TLDR
It is demonstrated that leptin plays its physiological role in young Nellore bulls, probably controlling food intake because feed efficient animals have more leptin and lower residual feed intake. Expand
Genotype×dietary (methionine+cystine):Lysine ratio interaction for body weight of meat-type quails using reaction norm models
TLDR
It is concluded that selection population must be fed with same dietary (Met+Cys):Lys ratio that commercial populations are fed, which will result in changes in the predicted BW breeding values. Expand
Polymorphism in the Beta Casein Gene and analysis of milk characteristicsin Gir and Guzerá dairy cattle.
TLDR
Evaluating the allelic frequency of the CSN2 gene and differences in the characteristics of Gir and Guzerá bovine milk found that milk from Zebu breeds is an alternative for individuals sensitive to β-casein protein. Expand
Genetic evaluation and selection response for growth in meat-type quail through random regression models using B-spline functions and Legendre polynomials.
TLDR
RRM using B-spline functions with four residual variance classes and segments were the best fit for genetic evaluation of growth traits in meat-type quail, and should be considered in genetic Evaluation of breeding programs. Expand
Sensitivity of breeding values for carcass traits of meat-type quail to changes in dietary (methionine + cystine):lysine ratio using reaction norm models.
TLDR
Genetic variance and heritability estimates were affected by both (Met + Cys):Lys ratio and strain, and it was observed that a G × E interaction was present, with changes in the breeding value ranking. Expand
Genetic correlations between body weight, scrotal circumference and visual evaluation scores in Bos indicus cattle.
TLDR
It is concluded that selection based on BW results in increased visual scores and scrotal circumference, leading to improvements in productive performance and animals with best body conformation. Expand
Genomic reaction norm models exploiting genotype × environment interaction on sexual precocity indicator traits in Nellore cattle.
TLDR
The results suggest that the inclusion of genomic information combined with the pedigree to assess the G×E interaction leads to more accurate variance components and genetic parameter estimates. Expand
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