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Modeling covariance structures for genetic and non-genetic effectsin cowpea multi-environment trials. In cowpea breeding, multi-environment trials are conducted to select lines withhigh yield. The occurrence of genetic and/or statistical imbalance is common inthese experiments, in addition to the poss... ... Repository: BDPA Publication year: 2023
Modeling the variance-covariance matrix of genetic and residual effects in a Panicum maximum genome wide selection experiment. Panicum maximum stands out among the tropical forage species due to its high biomass yield and excellent nutritional quality, providing high animal performance. The improvement of sexual plant populat... ... Repository: BDPA Publication year: 2016
Random regression models for the estimation of genetic and environmental covariance functions for growth traits in Santa Ines sheep. Abstract: Polynomial functions of different orders were used to model random effects associated with weight of Santa Ines sheep from birth to 196 days. Fixed effects included in the models were contem... ... Repository: BDPA Publication year: 2016
Applications of linear mixed models in Cynodon spp. breeding. Species of the genus Cynodon are among the most cultivated forage crops in the world due to their high yield and nutritional quality, and its use in cattle feeding has been associated with gains in an... ... Repository: BDPA Publication year: 2024
Modelos de regressão aleatória com diferentes estruturas de variância residual para descrever o tamanho da leitegada. Objetivou-se comparar modelos de regressão aleatória com diferentes estruturas de variância residual, a fim de se buscar a melhor modelagem para a característica tamanho da leitegada ao nascer (TLN).... ... Repository: BDPA Publication year: 2011
Genetic parameters for growth traits in Senepol cattle. To provide information that can contribute to the genetic evaluation and selection of Senepol cattle, genetic parameters were estimated for growth traits. Birth weight (BW), weaning weight (WW) and po... ... Repository: BDPA Publication year: 2018
Genetic parameters for linear type traits and milk, fat, and protein production in holstein cows in Brazil. The objective of this study was to estimate genetic and phenotypic parameters for linear type traits, as well as milk yield (MY), fat yield (FY) and protein yield (PY) in 18,831 Holstein cows reared i... ... Repository: BDPA Publication year: 2015
Effect of inclusion or non-inclusion of short lactations and cow and/or dam genetic group on genetic evaluation of Girolando dairy cattle. The objective of this study was to evaluate the effects of inclusion or non-inclusion of short lactations and cow (CGG) and/or dam (DGG) genetic group on the genetic evaluation of 305-day milk yield (... ... Repository: BDPA Publication year: 2016
Genetic parameters and mapping quantitative trait loci associated with tibia traits in broilers. Abstract: Selection among broilers for performance traits is resulting in locomotion problems and bone disorders, once skeletal structure is not strong enough to support body weight in broilers with h... ... Repository: BDPA Publication year: 2015
Random regression models with B-splines to estimate genetic parameters for body weight of young bulls in performance tests. The objective of this study was to estimate genetic parameters for body weight of beef cattle in performance tests. Different random regression models with quadratic B-splines and heterogeneous residu... ... Repository: BDPA Publication year: 2018

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