2006
DOI: 10.1590/s0102-09352006000200008
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Objetivos de seleção para sistemas de produção de gado de corte em pasto: ponderadores econômicos

Abstract: RESUMOForam desenvolvidos objetivos de seleção para gado de corte criado nas condições de produção típicas do Brasil Central. As características consideradas foram: número de bezerros desmamados por vaca/ano (NBD), peso da carcaça (PC), peso à desmama (PD) e consumo de alimento. Foram adotados dois sistemas de produção, um que considerava somente a cria e outro, o ciclo completo (cria, recria e engorda). No primeiro, as receitas foram a venda de bezerros à desmama, novilhas excedentes e vacas de descarte. No s… Show more

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Cited by 12 publications
(18 citation statements)
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“…Bittencourt et al (2006) The economic weight of CP in the second scenario was the second largest in terms of absolute EV. Consequently, when comparing the two proposed scenarios, the selection gain is enhanced using CP and it also provides higher revenue than the direct selection based on WW.…”
Section: Resultsmentioning
confidence: 99%
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“…Bittencourt et al (2006) The economic weight of CP in the second scenario was the second largest in terms of absolute EV. Consequently, when comparing the two proposed scenarios, the selection gain is enhanced using CP and it also provides higher revenue than the direct selection based on WW.…”
Section: Resultsmentioning
confidence: 99%
“…This was done because, although the female calves are not sold at weaning, the production costs for this category should still be computed, as they represent a portion of the cost of the system up to that age. (1) Weaning rate, adult mortality rate, and carcass yield according to Oliveira et al (2006); replacement rate according to Bittencourt et al (2006); and mean weight at weaning, weight of adult cows, mean weight of yearling heifers, and mean cumulative productivity according to Associação Nacional de Criadores e Pesquisadores (2014) and to Anualpec (Estatísticas, 2008(Estatísticas, , 2009(Estatísticas, , 2010(Estatísticas, , 2011(Estatísticas, , 2012. Two scenarios were evaluated in the simulated rearing system, considering that the breeding objectives were to increase the fertility of the herd and to increase the selling weight of the animals.…”
Section: Methodsmentioning
confidence: 99%
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