尕力巴牛在榆中的夏季育肥试验

Fattening experiment of Galiba cattle in Yuzhong county in summer

中文关键词: 尕力巴牛  榆中县  适应性  育肥  屠宰

英文关键词: Galiba cattle  Yuzhong county  Adaptability  Fattening  Slaughter

中文摘要:

      [目的]为了开展尕力巴牛在榆中县的适应性研究。[方法]从甘南州夏河县引进20头尕力巴牛,分别以尾菜青贮料和以全株玉米青贮料为粗料开展了为期100天的育肥试验，通过增重性能、屠宰性能及肌肉营养价值测定。[结果]表明：育肥期日增重分别为0.85 kg和0.71 kg，屠宰率分别为53.11%和56.36 %，牛肉pH值正常，肉色鲜艳，保水性能强，肌肉较韧，粗蛋白含量平均为22.035 %，肌内脂肪1.085 %，育肥经济效益显著，[结论]说明在榆中县进行尕力巴牛夏季育肥是可行的。

英文摘要:

      Abstract: 【Objective】In order to carry out adaptive research of Galiba cattle in Yuzhong county. 【Method】The 20 Galiba cattle was introduced from Xiahe county of Gannan Tibetan Autonomous Prefecture. They were carried out by a fattening experiment in 100 days, and tail vegetable silage and whole corn silage were used as coarse fodder. 【Result】The results showed that :The daily gain was 0.85 kg and 0.71 kg, and the slaughter rate was 53.11% and 56.36%, respectively; the pH value of the beef was normal, the meat color was bright, the water retention was strong, the muscle was tough, the crude protein content was 22.035% on average, the intramuscular fat was 1.085%, and the economic benefit of fattening was remarkable. 【Conclusion】Thus, our results indicated that it is feasible to fatten Galiba cattle in Yuzhong county in summer.