利木赞、夏洛来改良大别山牛育肥效果观察

目的]探索肉牛改良大别山牛的育肥效果。方法]从大别山黄牛及其与利木赞和夏洛来的杂交牛中分别选择体重150 kg左右的育肥牛各6头;均饲喂我们设计的同一饲料配方日粮,预试期同健胃驱虫法处理。结果]在日常饲养管理相同的情况下,经30 d观察记载,大别山黄牛日增重0.46 kg、利杂牛日增重0.99 kg、夏杂牛日增重1.28 kg;两种杂交牛分别比大别山黄牛提高115.22%和178.26%。结论]每增重1 kg毛重,大别山黄牛需精饲料5.43kg;而利杂牛和夏杂交牛只需要2.85 kg和2.38 kg。

Observation of Fatten Effects of Different Breed Cattle

【Objective】 Exploring the fatten effect of Dabieshan yellow cattle which was improved by Limousin and charolasi cattle.【Method】 Six fatten cattle were chosen from each group of Dabieshan yellow cattle,Limousin cross cattle and Charolais cross cattle with the weight about 150 kg,which were fed by the same feed formulation diet.The pre-test period was treated as the same with the stomachic insecticide.【Result】 Under the same daily feeding and management,Dabieshan yellow cattle gained 0.46 kg,Limusin cross cattle gained 0.99 kg,Charolsis cross cattle daily gained 1.28 kg per day.The cross cattle improved 115.22% and 178.26% than Dabieshan yellow cattle according the records of 30 d observations.【Conclusion】 Dabieshan yellow cattle needed 5.43 kg feed,while Limusion cross cattle and Charolais cross cattle need 2.85 kg feed for increasing 1 kg gross weight.