ICS 65.020.20 B 43 DB50 重庆市地方标准 DB50/T 389—2019 代替： DB50/T 389-2011 奶牛标准化规模养殖场建设规范 Constuction Criterion For Standardized Intensive Dairy Cattle Farm 2019 -05 -30发布 2019 -09 -01实施 重庆市市场监督管理局发布 DB50/T 389—2019 目次 目次.............................................................................................................................................................. I 前言.............................................................................................................................................................II 1范围 ..................................................................................................................................................................1 2规范性引用文件 ..............................................................................................................................................1 3术语和定义 ......................................................................................................................................................1 4选址基本条件 ..................................................................................................................................................2 5场区规划与布局 ..............................................................................................................................................2 6牛场建筑与设施 ..............................................................................................................................................3 7卫生防疫 ..........................................................................................................................................................5 8环境保护 ..........................................................................................................................................................5 DB50/T 389—2019 前言 本标准按照 GB/T 1.1-2009规则起草。 本标准是对 DB 50/T389-2011《奶牛标准化规模养殖场建设规范》的修订。 本标准从生效之日起，代替 DB 50/T389-2011。