北京鸭第2部分：种鸭集约化养殖规范BeijingDuckPart2:StandardsforconfinementrearingBreedingduckDB11/T012.2—2007代替DB11/T012.1～012.7—1992ICS65.020.30B43备案号：21150-2007北京市地方标准DB2007-08-13发布2007-12-01实施北京市质量技术监督局发布DB11/T012.2—2007I目次前言..................................................................................................................................................................II1范围..................................................................................................................................................................12规范性引用文件..............................................................................................................................................13术语和定义......................................................................................................................................................14生产性能..........................................................................................................................................................14.1种鸭饲养期划分...........................................................................................................................................24.2体型外貌.......................................................................................................................................................24.3北京鸭300日龄体重、体尺.......................................................................................................................24.4繁殖性能........................................................................................................................................................34.5生活力............................................................................................................................................................35种蛋收集与保存.............................................................................................................
