ICS 65.020.30 B 43 DB11 北京市 地方标 准 DB 11/ T 150.1—2019 代替 DB11/T 150.1 —2002 奶牛饲养管理技术规范 第1部分=育种 Specification of dairy cattle feed i ng management techno logy — Part 1: Breeding 2019-06- 18 发布 2019- 10-01 实施 北京市市场监督管理局 发布 目 次 前 言..............................................................................i i范围....................................................................................i 2规范性引用文件.........................................................................1 3 术语与定义.............................................................................1 4育种方案...............................................................................2 5 育种目标..............................................................................2 5.1 外貌特征...........................................................................2 5.2 体高、体重.........................................................................2 5.3 生产性能...........................................................................3 6育种欧亿·体育（中国）有限公司的记录.........................................................................3 6.1牛只编号...........................................................................3 6.2 系谱...............................................................................3 6.3泌乳牛生产性能测定................................................................4 7优秀公、母牛的选择.....................................................................4 7.1 优秀母牛的选择.....................................................................4 7.2优秀种公牛的选择...................................................................4 8 体型鉴定...............................................................................4 9 选配...................................................................................5 9.1 1般要求...........................................................................5 9.2选配方法..............................................................。。。。。。以下内容略