›› 2007, Vol. 34 ›› Issue (11): 132-134.

• 畜禽产品 • 上一篇    下一篇

营养水平对牛肉品质的影响研究

李石友1 ,徐英1,李琦华2,段刚2,梁应海3,杨国荣4

  

  1. 1.云南农业职业技术学院,昆明 650212;2.云南农业大学,昆明 650201;3.云南天牧肉牛开发有限公司,寻甸 655200;4.云南省肉牛和牧草研究中心,昆明 650212
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-11-20 发布日期:2007-11-20

Study on Beef Quality Effect by Nutrition Level

LI Shiyou1,XU Ying1,LI Qihua2,DUAN Gang2,LIANG Yinghai3,YANG Guorong4   

  1. 1.Yunnan Agriculture Vocational Technical College, Kunming 650212, China;  2.Yunnan Agricultural University, Kunming 650201, China; 3.Yunnan Tianmu Beef Cattle Development Ltd,Xundian 655200, China; 4.Yunnan Beef Cattle & Pasture Research Center,Kunming 650212, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-11-20 Published:2007-11-20

摘要: 设计4个不同营养水平的精料补充料配方,选择18月龄的杂交肉牛40头,分为4个试验组和1个对照组,进行2个月的育肥饲养试验,每组随机抽取1头公牛,共5头牛进行屠宰试验,分别采集背最长肌和股二头肌,制成风干样后进行常规成分中水分、粗蛋白质、粗脂肪、粗灰分、磷(钙含量太低)和肉质中肌肉pH、肌肉嫩度、肌肉失水率、肌肉熟肉率、肌纤维直径、肌肉色差值等的测定,并进行分析。

关键词: 肉牛; 营养水平; 常规成分; 肉品质

Abstract: Random selected 40 heads of 18 months-cross-breds and devided into 5 group which were 4 explemental group and 1 control group and that were fed 4 level supplements in 3 month time fedlot trail. Slaughter 5 finished cattle which were random selected from each treatment group and that for meat quility test, such as water, croud prtein, fat, ash, phosphorus, pH, tender, waterloss rate, cooked rate, the diameter of musel fibre, colour, ect.

Key words: beef cattle; nutrition level; normal elements; beef quality

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