张掖肉牛杂交改良效果调查分析  

The Investigation and Analysis of Zhangye Beef Cattle Breeding Effect

作　　者：王磊 张永东 田春花 严天元 胡俊慧 

机构地区：[1]甘肃省张掖市畜牧管理站,甘肃张掖734000

出　　处：《中国牛业科学》2017年第5期69-72,共4页China Cattle Science

基　　金：2017年甘肃省农牧渔业新品种新技术引进与推广项目

摘　　要：[目的]为掌握张掖肉牛杂交改良效果。[方法]通过查阅资料、试验测定和调查分析,对不同改良阶段的西门塔尔牛(父本)与河西黄牛(母本)杂交牛生产性能进行分析比较。[结果]通过30多年对河西黄牛的杂交改良,其饲养规模、繁殖性能、生产性能大幅提高,18月龄母牛肉用指数达到4.17kg/cm,公牛6.97kg/cm,已具备专门化肉用牛指数标准,后期选育提高潜力巨大。[Objective] Grasp the effect of Zhangye cattle Crossbreeding. [Methods] Through data ac cess, test determination and investigation and analysis, the comparison of the production performance of the Simmental and Hexi cattle in different improvement phase were explored. [Results] Through more than 30 years of hybridization of the Hexi cattle, its feeding scale, reproductive performance and produc- tion performance have been greatly improved. The BPI index of 18 months old cow reached 4.17 kg/cm and bull 6.97 kg/cm indicating the great potential to improve the breeding.

关 键 词：张掖肉牛 杂交改良 调查分析 

分 类 号：S823[农业科学—畜牧学]