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Carcass characteristics of feedlot-finished Nellore heifers slaughtered at different weights Animal Sciences
Rezende, Pedro Leonardo de Paula; Restle, João; Bilego, Ubirajara Oliveira; Fernandes, Juliano José de Resende; Missio, Regis Luis; Guimarães, Tiago Pereira.
Carcass and meat characteristics of 48 Nellore heifers at 24 to 30 months of age, with an initial weight of 263.4 ± 13.9 kg, were evaluated. The experiment was set up as a completely randomized design with four treatments, which consisted of four slaughter-weight classes, namely <340, 340-370, 370-400, or >400 kg. Back fat thickness was not influenced (p > 0.05) by slaughter weight in any of the forms it was expressed (mm or %), averaging 5.3 mm. Loin eye area in cm2 increased (p < 0.05) with the increase in slaughter weight. Animals slaughtered at a live weight (LW) of more than 400 kg showed better (p < 0.05) carcass conformation than the other experimental groups (9.8 points). Heifers slaughtered at over 400 kg LW had a more compact (p...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.04.00.00-2 beef cattle; Carcass yield; Conformation; Marbling; Slaughter weight.
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/44826
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