2007
DOI: 10.1590/s1516-35982007000600008 View full text |Buy / Rent full text
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Abstract: Foram avaliados os efeitos da seleção para peso pós-desmame sobre características de carcaça e rendimento de cortes cárneos comerciais de 44 bovinos machos não-castrados selecionados ou não para peso aos 378 dias, nascidos em 1999, Foram utilizados animais dos grupos genéticos Nelore Seleção (NeS), Nelore Controle (NeC) e Caracu Seleção (Ca). Os animais foram distribuídos aleatoriamente em duas categorias experimentais: grupo de alimentação restrita (AR) e grupo de alimentação ad libitum (AL). Em ambas as cate… Show more

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“…Values found for the hindquarter main cuts in the Nellore group (Table 3) are in complete agreement with a study that assessed the same characteristics in two Nellore populations (selected and control) and one selected Caracu population (a Brazilian breed derived from cattle brought by the first Portuguese and Spanish settlers) (Bonilha et al, 2007). These authors evaluated carcass and meat cut yield traits and detected no differences between the Nellore and Caracu populations selected for highest weight at 378 days of age for most traits, except for the spare rib weight and yield and the tenderloin and knuckle weight.…”
Section: Resultssupporting
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“…Values found for the hindquarter main cuts in the Nellore group (Table 3) are in complete agreement with a study that assessed the same characteristics in two Nellore populations (selected and control) and one selected Caracu population (a Brazilian breed derived from cattle brought by the first Portuguese and Spanish settlers) (Bonilha et al, 2007). These authors evaluated carcass and meat cut yield traits and detected no differences between the Nellore and Caracu populations selected for highest weight at 378 days of age for most traits, except for the spare rib weight and yield and the tenderloin and knuckle weight.…”
Section: Resultssupporting
“…Bonilha et al (2007) evaluated carcass characteristics and trimmed cut yield of Nellore and Caracu cattle. The latter breed needed a longer time in feedlot to reach the same degree of finishing achieved by the Nellore animals.…”
Section: Introductionmentioning
“…Taking into account a determined cost per kg of deboned beef, animals that produce higher percentages of prime cuts would be more interesting for packers. Bonilha et al (2007) evaluated commercial cut yield of Nelore Seleção, Nelore Controle, and Caracu cattle, and did not find any edible portion difference among the studied genetic groups. Bone percentage was not different among the two Nelore groups, either in terms of full carcass or quarters.…”
Section: Resultsmentioning
“…To understand which biotypes and carcass standards result in higher cuts yield became the objective of researchers such as Bonilha et al (2007) and Tarouco et al (2007), in order to determine which of those biotypes and carcass should get premiums for productivity and quality.…”
Section: Introductionmentioning
“…All models selected to estimate carcass and empty body chemical composition were applied to a second database (Bonilha et al, 2007) derived from 36 Nellore bulls that also belonged to Instituto de Zootecnia. These animals were slaughtered at a similar body weight and age ( of the empty body, carcass, and rib cut was also determined indirectly to evaluate the absence of prediction biases and, consequently, the models (Table 7).…”
Section: Resultsmentioning