张掖市黄牛改良工作进展

我市牛改工作经过20多年的历程,由二元级进杂交改良发展到三元肉牛杂交生产,黄牛冻配点219个,形成了市、县(区)、乡(镇)三级服务推广网络和较为完善的牛改繁育体系。目前,年黄牛冻配改良达到5万头,牛的良种率达到90％以上,黄牛改良工作为全市农村经济结构调整和社会经济发展起到了积极推动作用。

Progress of Yellow Cattle Improvement in Zhangye City

After the 20 years yellow cattle improvement in Zhangye city, the two-way grading crossbreeding improvement had been replaced by three-way crossbreeding method. At present, the 219 yellow cattle insemination stations in Zhangye city had formed a three level service and extension network of city, county and township and a near complete production and breeding system of yellow cattle improvement. 50,000 yellow cattle had been improved by frozen semen insemination with the high quality animal percentage of 90%, which demonstrated that the yellow cattle improvement had played an important role in the rural economy structure adjustment and social and economy development.