Fatty acid profile, carcass and meat quality traits of young Nellore bulls fed crude glycerin replacing energy sources in the concentrate

被引：30

作者：

Lage, J. F. ^{[1
]}

Berchielli, T. T. ^{[1
]}

Vito, E. San ^{[1
]}

Silva, R. A. ^{[1
]}

Ribeiro, A. F. ^{[1
]}

Reis, R. A. ^{[1
]}

Dallantonia, E. E. ^{[1
]}

Simonetti, L. R. ^{[1
]}

Delevatti, L. M. ^{[1
]}

Machado, M. ^{[1
]}

机构：

[1] Univ Estadual Paulista Julio De Mesquita Filho UN, Dept Zootecnia, BR-14884900 Jaboticabal, SP, Brazil

来源：

MEAT SCIENCE | 2014年 / 96卷 / 03期

基金：

巴西圣保罗研究基金会;

关键词：

Corn; Glycerol; Feedlot; Soybean hulls; Tenderness; MUSCLE COLOR; BEEF; PERFORMANCE; DIETS; FERMENTATION; GROWTH; LEVEL; TENDERNESS; FEEDLOT; SYSTEM;

D O I：

10.1016/j.meatsci.2013.10.027

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Carcass and meat quality traits of 60 Nellore young bulls fed diets without crude glycerin (CG); with CG replacing corn (CGc; 10% of dry matter - DM) in the concentrate; and with CG replacing soybean hull (CGsh; 10% of DM) in the concentrate were evaluated. Diets were evaluated at two concentrate levels (CLs). The CL did not affect cold carcass weight (CCW; P = 0.6074), cold carcass dressing (CCD; P = 0.9636), rib fat thickness (RFT; P = 0.8696) and longissimus muscle area (LMA; P = 0.7524). Animals fed diets with CGc or CGsh showed meat with greater deposition of monounsaturated fatty acid (MUFA; P = 0.0022) and CLA (18:2 cis-9, trans-11) contents (P = 0.0001) than animals fed diets without CG. The inclusion of 10% of CG in diets CGc or CGsh does not affect the carcass and meat quality traits; however, it increases the MUFA and CIA contents in beef, although these changes are very small in nutritional terms. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.

引用

页码：1158 / 1164

页数：7

共 51 条

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