Search Results - "Torres Júnior, Roberto Augusto de Almeida"
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Alternative methodologies for genotyping polymorphisms in the CAST and CAPN1 genes in beef cattle
Published in Revista brasileira de zootecnia (01-01-2019)“…ABSTRACT The objectives of this study were to genotype single nucleotide polymorphisms (SNP) AF159246:g.2959A>G (CAST/DdeI) and AF248054.2:g.6545C>T (CAPN4751)…”
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Association of polymorphisms in the leptin and thyroglobulin genes with meat quality and carcass traits in beef cattle
Published in Revista brasileira de zootecnia (01-10-2012)“…The objective of the present study was to estimate the allelic and genotypic frequencies of the polymorphisms E2FB (AY138588.1: c.305C> T), located in the…”
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Estimation of genetic parameters for growth traits in Tabapuã cattle using a multi-trait model
Published in Revista brasileira de zootecnia (01-08-2013)“…To provide information that can contribute to the genetic evaluation and selection in Tabapuã cattle, genetic parameters were estimated for growth traits using…”
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Heteroskedasticity for weaning weight of Charolais-Zebu crossbred calves
Published in Revista brasileira de zootecnia (01-05-2012)“…The objective of the present study was to analyze models with genetic and/or residual heteroskedasticity for genetic evaluation of the weaning weight of…”
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Parametrization of the Davis Growth Model using data of crossbred Zebu cattle
Published in Scientia agricola (01-02-2017)“…The system of differential equations proposed by Oltjen et al. [1986, named Davis Growth Model (DGM)] to represent cattle growth has been parameterized with…”
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Efficiency of calf production of cows from two genetic groups
Published in Revista brasileira de zootecnia (01-07-2014)“…The objective was to evaluate the effect of weight, age and production efficiency of cows from genetic groups based on the calf weight at calving and at…”
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Prospecting genes associated with navel length, coat and scrotal circumference traits in Canchim cattle
Published in Livestock science (01-04-2018)“…The aim of this work was to identify genomic regions and genes in association with the navel length, coat and scrotal circumference traits of Canchim breed of…”
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Dieta com alto teor de gordura e desempenho de tourinhos de grupos genéticos diferentes em confinamento
Published in Pesquisa agropecuaria brasileira (01-07-2009)“…O objetivo deste trabalho foi avaliar o desempenho em confinamento de tourinhos de quatro grupos genéticos distintos tratados com dietas com diferentes teores…”
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Ingestive behaviour, herbage intake and grazing efficiency of beef cattle steers on Tanzania guineagrass subjected to rotational stocking managements
Published in Revista brasileira de zootecnia (01-06-2009)“…The objective of this experiment was to evaluate the ingestive behaviour, herbage intake and grazing efficiency of beef cattle steers grazing on Panicum…”
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Capim-tanzânia submetido a combinações entre intensidade e freqüência de pastejo
Published in Pesquisa agropecuaria brasileira (2007)“…O objetivo deste trabalho foi avaliar as características estruturais e a produção de forragem do capim-tanzânia (Panicum maximum Jacq. cv. Tanzânia) sob…”
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Desenvolvimento e desempenho reprodutivo de novilhas Nelore criadas a pasto nos cerrados do Centro-Oeste brasileiro
Published in Revista brasileira de zootecnia (01-02-2006)“…Foi simulado e validado um modelo de cria e recria a pasto de fêmeas Nelore nos cerrados do Centro-Oeste brasileiro. Foram determinados os ganhos de peso…”
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12
Strategies of virginiamycin supplementation in the postweaning phase on growth performance and carcass quality of beef cattle
Published in Tropical animal health and production (01-01-2024)“…The present study evaluated the effects of supplementing VM in grazing cattle during the rearing phase on performance and carcass quality of beef cattle in the…”
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Stayability and consecutive rebreeding ability associated to carcass and growth traits in Brazilian Nellore cattle: A Bayesian framework
Published in Livestock science (01-03-2021)“…•Rebreeding is one of the major challenges to improve the productive efficiency of Brazilian Nellore cows.•Consecutive rebreeding ability is as a new…”
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Efeitos ambientais e genéticos sobre peso, perímetro escrotal e escores de avaliação visual à desmama em bovinos da raça Canchim
Published in Revista brasileira de zootecnia (01-02-2011)“…Os efeitos de ano e época de nascimento, propriedade, sexo do bezerro, regime alimentar, idade do bezerro e idade da vaca ao parto, os efeitos aditivos direto…”
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Modelos hierárquicos bayesianos para estimação robusta e análise de dados censurados em melhoramento animal
Published in Revista brasileira de zootecnia (01-07-2009)“…Dados extremos influenciados por fatores não considerados no modelo estatístico, podem enviesar as estimativas dos parâmetros e valores genéticos. Além disso,…”
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Desempenho e conversão alimentar de novilhos de corte em capim-tanzânia submetido a duas intensidades de pastejo sob lotação rotativa
Published in Revista brasileira de zootecnia (2010)“…O experimento foi realizado para avaliar o valor nutritivo da forragem, o desempenho e a conversão alimentar de novilhos em pastos de Panicum maximum Jacq. cv…”
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Modeling the effect of the age of dam at calving on the weaning weight of Charolais-Zebu crossbred calves
Published in Revista brasileira de zootecnia (01-07-2009)“…The objective of this study was to evaluate alternatives for modeling the age of dam at calving (AOD) effect on the weaning weight of Charolais-Zebu crossbred…”
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Feed efficiency and meat quality of crossbred beef heifers classified according to residual feed intake
Published in Revista brasileira de saúde e produção animal (01-09-2015)“…AbstractThis study aimed to evaluate feed efficiency and meat quality of 31 three-crossbred beef heifers during 84 days in a feedlot system. A 60:40…”
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Modelagem de efeitos genéticos e ambientais que influenciam o peso à desmama de bezerros mestiços Charolês-Zebu Modeling of genetic and environmental effects affecting the weaning weight of Charolais-Zebu crossbred calves
Published in Revista brasileira de zootecnia (01-11-2011)“…Este trabalho foi realizado com o objetivo de avaliar alternativas para modelagem de efeitos genéticos e ambientais que influenciam o peso à desmama de…”
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Modelagem de efeitos genéticos e ambientais que influenciam o peso à desmama de bezerros mestiços Charolês-Zebu
Published in Revista brasileira de zootecnia (01-11-2011)“…Este trabalho foi realizado com o objetivo de avaliar alternativas para modelagem de efeitos genéticos e ambientais que influenciam o peso à desmama de…”
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