放养过程中补饲对青海高原牦牛产肉能力及肉品质的影响

doi:10.16431/j.cnki.1671-7236.2015.01.016

›› 2015, Vol. 42 ›› Issue (1): 104-108.doi: 10.16431/j.cnki.1671-7236.2015.01.016

放养过程中补饲对青海高原牦牛产肉能力及肉品质的影响

孔祥颖¹, 张丽^2,3, 保善科¹, 王莉³, 周玉春³, 孙宝忠², 余群力³, 王福宁⁴, 谢鹏², 李海鹏²

1. 青海省海北藏族自治州畜牧兽医科学研究所, 海北 810200;
2. 中国农业科学院北京畜牧兽医研究所, 北京 100193;
3. 甘肃农业大学食品科学与工程学院, 兰州 730070;
4. 中国人民解放军96351部队牧场, 海晏 812200

收稿日期:2014-06-30 出版日期:2015-01-20 发布日期:2015-02-06
通讯作者: 孙宝忠 E-mail:sunbaozhong@yahoo.com.cn
作者简介:孔祥颖(1983-), 女, 青海人, 学士, 兽医师, 研究方向:畜牧兽医学
基金资助:
国家现代农业(肉牛牦牛)产业技术体系资助项目(CARS-38);公益性行业(农业)科研专项(201203009)

Effect of Supplementary Feeding on Meat Yield and Quality of Qinghai Gaoyuan Yak

KONG Xiang-ying¹, ZHANG Li^2,3, BAO Shan-ke¹, WANG Li³, ZHOU Yu-chun³, SUN Bao-zhong², YU Qun-li³, WANG Fu-ning⁴, XIE Peng², LI Hai-peng²

1. Animal Husbandry and Scientific Research Institute of Qinghai Province, Haibei 810200, China;
2. Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
3. College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China;
4. The Farm of Unit 96351 of Chinese People's Liberation Army, Haiyan 812200, China

Received:2014-06-30 Online:2015-01-20 Published:2015-02-06

摘要/Abstract

摘要： 为研究补饲对放养牦牛产肉能力及肉品质的影响,试验选取12头在海北州天然放养的牦牛,随机分为2组,即无补饲处理组(对照组)和补饲处理组(补饲组),屠宰后测定2组牦牛8个分割部位的肉重量以及辣椒条、眼肉、外脊3个部位的肉品质指标.结果发现,补饲处理显著增加了牦牛优质部位里脊和眼肉的产肉量(P< 0.05),增产幅度分别达到了80%和100%.辣椒条、眼肉和外脊的加工性能会受到补饲处理的影响,持水能力有所下降,而嫩度却显著改善(P< 0.05).肉色不会受到补饲处理的显著影响(P >0.05).补饲处理不会显著影响辣椒条、眼肉、外脊的蛋白质含量(P >0.05),但却可显著提高辣椒条的脂肪含量(P< 0.05),并显著降低其水分含量(P< 0.05).结果表明,补饲可增加牦牛优质部位肉产量,并改善牦牛肉嫩度.

关键词: 高原牦牛; 补饲; 产肉能力; 肉品质

Abstract: In order to investigate the effect of supplementary feeding on meat yield and quality of yak, the weight of 8 cuts and quality parameters of 3 cuts including chuck tender, ribeye and striploin of the yaks assigned into 2 groups with or without supplementary feeding were determined.The results showed that the meat yield of superior cuts could be significantly (P< 0.05) increased by supplementary feeding such as ribeye and tenderloin with increasing range of 80% and 100%, respectively.The technological parameters of chuck tender, ribeye and striploin were influenced by supplementary feeding with decreased water holding capacity and significantly improved tenderness.The supplementary feeding had no significant effects on meat colour of yak (P >0.05).There were no significant effects of supplementary feeding on protein content of chuck tender, ribeye and striploin of yak (P >0.05).Supplementary feeding significantly increased fat content and decreased moisture of chuck tender (P< 0.05).The results indicated that supplementary feeding could raise production of superior cuts of yak and improve quality of yak beef.

Key words: Gaoyuan yak; supplementary feeding; meat production; meat quality

中图分类号:

S823.8⁺5

孔祥颖, 张丽, 保善科, 王莉, 周玉春, 孙宝忠, 余群力, 王福宁, 谢鹏, 李海鹏. 放养过程中补饲对青海高原牦牛产肉能力及肉品质的影响[J]. , 2015, 42(1): 104-108.

KONG Xiang-ying, ZHANG Li, BAO Shan-ke, WANG Li, ZHOU Yu-chun, SUN Bao-zhong, YU Qun-li, WANG Fu-ning, XIE Peng, LI Hai-peng. Effect of Supplementary Feeding on Meat Yield and Quality of Qinghai Gaoyuan Yak[J]. , 2015, 42(1): 104-108.

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放养过程中补饲对青海高原牦牛产肉能力及肉品质的影响

Effect of Supplementary Feeding on Meat Yield and Quality of Qinghai Gaoyuan Yak

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