舍饲牦牛、犏牛和放牧牦牛屠宰性状、肉质及其营养成分比较

doi:10.14088/j.cnki.issn0439-8114.2019.24.041

湖北农业科学 ›› 2019, Vol. 58 ›› Issue (24): 170-174.doi: 10.14088/j.cnki.issn0439-8114.2019.24.041

舍饲牦牛、犏牛和放牧牦牛屠宰性状、肉质及其营养成分比较

杨小林¹, 陈勇¹, 朱友军², 邹万瑞², 龙泽军², 李胜男², 刘英²

1.阿坝藏族羌族自治州畜牧科学技术研究所,四川红原 624402;
2.小金县畜牧工作站,四川小金 624200

收稿日期:2019-04-22 出版日期:2019-12-25 发布日期:2019-12-25
通讯作者: 陈勇（1965-）,男,四川汶川人,高级畜牧师,主要从事动物饲养与繁殖研究,（电子信箱）825070465@qq.com。
作者简介:杨小林（1986-）,男,湖北黄冈人,畜牧师,硕士,主要从事动物遗传育种研究,（电话）13518169230（电子信箱）yangxlcau@hotmail.com
基金资助:
牦牛舍饲关键技术研究与示范项目（18YYJSYJ0006）

Comparative analysis of carcass traits,quality and nutrients of muscle among house-feeding yaks, yak-cattles and yaks with grazing

YANG Xiao-lin¹, CHEN Yong¹, ZHU You-jun², ZOU Wan-rui², LONG Ze-jun², LI Sheng-nan², LIU Ying²

1.Aba Institute of Animal Sciences,Hongyuan 624402,Sichuan,China;
2.Xiaojin County Liuestock Workstation,Xiaojin 624200,Sichuan,China

Received:2019-04-22 Online:2019-12-25 Published:2019-12-25

摘要/Abstract

摘要： 为探究舍饲对牦牛（Bos mutus）的屠宰性能、肌肉品质及其营养成分的影响,随机选择了4.5岁体况中等的金川公牦牛6头和公犏牛3头,分为舍饲牦牛、舍饲犏牛和放牧牦牛组,进行对比测定3个组的屠宰性能、肌肉品质及其营养成分差异。结果表明,舍饲牦牛在宰前活重、胴体重、净肉重、肉骨比等方面显著高于放牧牦牛（P<0.05）,但与舍饲犏牛在胴体重、肉骨比等指标上无显著差异,二者增重效果差异不大;舍饲方式对牦牛肌肉系水力的影响有限,但是显著地改善了牦牛的肌肉嫩度,提高了其熟肉率,有利于牦牛肉下游加工制品的生产。同时牦牛肉各项营养成分检测结果显示,3个组间的营养成分、氨基酸组成含量相差不大,即短期舍饲对牦牛肉的营养成分无明显影响。

关键词: 牦牛（Bos mutus）, 舍饲, 屠宰性能, 肌肉品质

Abstract: In order to investigate the effect of house-feeding on carcass traits and quality and nutrients of muscle, six male Jinchuan male yak and three male cattle-yak with similar medium body condition were selected randomly, and divided into two groups with or without the house-feeding, while the performance of slaughter, the quality and nutrient composition of the muscle among three groups （the yak, the cattle-yak, and grazing yak groups） were observed. The results showed that the live body weight, carcass weight, net meat weight and meat-bone ratio of the yak with house-feeding were higher than those of the grazing yak significantly （P<0.05）, on the contrary, there was no significant difference between the yak and cattle-yak in the carcass weight, bone-to-bone ratio and the gain of body weight. The hydraulic performance of the yak muscle wasn’t affected by the house-feeding, which improving the tenderness of raw meat and the ratio of cooked meat and those are beneficial to the production of downstream process products. What’s more, the test results showed that the content of various nutrients and amino acids in the yak meat among the three groups were not different significantly, that is to say, the pattern of house-feeding have no significant influence on the nutrient of the yak meat.

Key words: yak（Bos mutus）, house-feeding, carcass traits, the quality of muscle

中图分类号:

S823.8⁺5

杨小林, 陈勇, 朱友军, 邹万瑞, 龙泽军, 李胜男, 刘英. 舍饲牦牛、犏牛和放牧牦牛屠宰性状、肉质及其营养成分比较[J]. 湖北农业科学, 2019, 58(24): 170-174.

YANG Xiao-lin, CHEN Yong, ZHU You-jun, ZOU Wan-rui, LONG Ze-jun, LI Sheng-nan, LIU Ying. Comparative analysis of carcass traits,quality and nutrients of muscle among house-feeding yaks, yak-cattles and yaks with grazing[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(24): 170-174.

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舍饲牦牛、犏牛和放牧牦牛屠宰性状、肉质及其营养成分比较

Comparative analysis of carcass traits,quality and nutrients of muscle among house-feeding yaks, yak-cattles and yaks with grazing

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