Animal performance and fatty acid composition of lambs fed with different vegetable oils

被引：79
|
作者：
Manso, T. [1 ]
Bodas, R. [2 ]
Castro, T. [3 ]
Jimeno, V. [4 ]
Mantecon, A. R. [2 ]
机构：
[1] Univ Valladolid, Area Prod Anim, ETS Ingn Agr, Palencia 34004, Spain
[2] Inst Ganaderia Montana CSIC ULE, Leon 24346, Spain
[3] Univ Complutense Madrid, Dept Anim Prod, E-28040 Madrid, Spain
[4] Univ Politecn Madrid, Dept Anim Prod, E-28040 Madrid, Spain
来源：
MEAT SCIENCE | 2009年 / 83卷 / 03期
关键词：
Palm oil; Sunflower oil; Fattening lambs; Fatty acid; Atherogenicity; CONJUGATED LINOLEIC-ACID; CARCASS CHARACTERISTICS; FEEDLOT PERFORMANCE; GROWTH-PERFORMANCE; SUPPLEMENTAL FAT; ADIPOSE-TISSUE; RUMINANT MEAT; DIETARY-FAT; PALM OIL; MUSCLE;
D O I：
10.1016/j.meatsci.2009.06.035
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Twenty-seven lambs were used to investigate the effects of the inclusion of 4% hydrogenated palm oil (HPO) or sunflower oil (SFO) in the concentrate on animal performance, carcass and meat quality and fat characteristics and fatty acid composition. Animals (16.2 +/- 0.27 kg initial weight) were fed concentrate (Control, HPO or SFO) and barley straw ad libitum and slaughtered at 25 kg. SFO lambs tended to eat less concentrate than HPO animals (P < 0.10). Neither HPO nor SFO affected any of the carcass characteristics studied, meat pH and meat and fat colour (P > 0.05). SFO decreased proportions of C16:0, C18:1 cis-11 and C18:3 (P < 0.05) and increased C18:1 trans (P < 0.001) and C18:2/C18:3 ratio (P < 0.05). Atherogenicity index was lower (P < 0.05) when SFO was included in the concentrate. HPO did not affected and SFO improved fatty acid composition of fattening lambs without affecting animal performance. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：511 / 516
页数：6
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