CARCASS CHARACTERISTICS OF NELORE YOUNG BULLS AND CULL COWS, FINISHED ON DIFFERED PASTURE OF Brachiaria decumbens

被引：0
|
作者：
Mourao, Raphael [1 ]
Rodrigues de Abreu, Joao [2 ]
Borges da Costa, Dorival [3 ]
Galdino da Silva, Jucimar [4 ]
Bonilha Pinheiro, Rafael [1 ]
Dias de Souza, Jorge [4 ]
Rodrigues, Victor [4 ]
机构：
[1] Univ Estadual Paulista, UNESP, Programa Posgrad Nutr & Prod Anim, Campus Botucatu, BR-18618000 Botucatu, SP, Brazil
[2] Univ Fed Rural Rio de Janeiro UFRRJ, Inst Zootecnia, Dept Nutr Anim & Pastagem, BR-23851970 Seropedica, RJ, Brazil
[3] UNESP, Programa Posgrad Zootecnia, Botucatu, SP, Brazil
[4] UFRRJ, Inst Zootecnia, Dept Reprod & Avaliacao Anim, Seropedica, RJ, Brazil
来源：
BOLETIM DE INDUSTRIA ANIMAL | 2008年 / 65卷 / 02期
关键词：
categories; commercial cuts; fat thickness; chilling loss; dressing percentage;
D O I：
暂无
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
The present study evaluated the carcass characteristics of Nelore intact young males and cull cows. It were used 14 Nelore animals (seven cull cows and seven young bulls) finished on differed pasture of Brachiaria decumbens. The young bulls with 300kg initial body weight (BW) were slaughtered with 378.86 kg and 18-19 months of age, and the cull cows presented 300kg of BW and were slaughtered with 392.14kg of BW and 8 years old, after 12 hours withhold to feed. Young bulls showed higher hot (54.79 vs 50.23%) and cold dressing percentage (53.94 vs 49.85%) furthermore, showed higher chilling loss (1.55 vs 0.76%) than cull cows. It was observed higher sidecut percentage (13.30 vs 11.20%) and smaller fore quarters (37.61 vs 40.07%) by cull cows, however the sawcut percentage it was similar for both. Young bulls showed higher leg length (85.43 vs 73.43cm) than cows, but there weren't differences for carcass lenght, cushion thickness and arm perimeter. Cull cows presented more fat thickness than young bulls (6.57 vs 4.14mm) and higher Longissimus muscle (55.57 vs 49.14cm(2)).
引用
收藏
页码：115 / 122
页数：8
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