Influence of breed and slaughter weight on boar taint prevalence in entire male pigs

被引：38
作者：
Aluwe, M. [1 ]
Millet, S. [1 ]
Bekaert, K. M. [1 ,2 ]
Tuyttens, F. A. M. [1 ]
Vanhaecke, L. [2 ]
De Smet, S. [3 ]
De Brabander, D. L. [1 ]
机构：
[1] Inst Agr & Fisheries Res ILVO, Anim Sci Unit, B-9090 Melle, Belgium
[2] Univ Ghent, Fac Vet Med, Chem Anal Lab, Res Grp Vet Publ Hlth & Zoonoses, B-9820 Merelbeke, Belgium
[3] Univ Ghent, Fac Biosci Engn, Dept Anim Prod, Lab Anim Nutr & Anim Prod Qual, B-9090 Melle, Belgium
来源：
ANIMAL | 2011年 / 5卷 / 08期
关键词：
entire male pigs; breed; slaughter weight; boar taint; detection methods; LONGISSIMUS-DORSI; SKATOLE; ANDROSTENONE; FAT; INDOLE; STEROIDS; LANDRACE; TISSUE; LEVEL; MEAT;
D O I：
10.1017/S1751731111000164
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Pietrain (P), Large White (LW) and Belgian Landrace stress negative (BN) boars were slaughtered at 50, 70, 90 or 110 kg live weight to investigate breed differences and the effect of slaughter weight on boar taint prevalence. Boar taint was quantified by four different methodologies: sensory evaluation of neckfat heated with a hot iron in the slaughterhouse, sensory evaluation of meat by consumer panels, sensory evaluation of fat and meat by expert panels and laboratory analysis of indole, skatole and androstenone in backfat. Skatole levels in backfat were significantly higher for LW and BN than for P boars. The androstenone levels and the hot iron method revealed a significant interaction between breed and slaughter weight. On the other hand, experts detected an effect of weight on the androstenone odour perception, which was significantly higher in fat from boars slaughtered at 90 kg compared with 50 kg, and significantly higher in meat from boars slaughtered at 110 kg compared with 50 kg. Consumers did not detect differences in the sensory characteristics among breeds or slaughter weight. These results indicate opportunities to minimise the risk of boar taint in entire male pigs by carefully selecting a combination of breed and slaughter weight. Along with the optimal slaughter weight, the effectiveness of reducing boar taint by lowering slaughter weight appeared to be breed dependent.
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收藏
页码：1283 / 1289
页数：7
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