本3-A卫生标准适用于自动挤奶装置（AMI）成套设备的卫生方面，包括用于有蹄哺乳动物提取牛奶的设备，并继续适用于自动挤奶装置中使用的所有部件，不包括冷却和储存牛奶并从中取出牛奶的容器或罐或容器来自奶牛场。组合设备应从乳头准备开始，并在卫生收集器和接收器之间的最高点结束，以及用于将正常牛奶、异常牛奶和清洁消毒溶液的挤奶系统管路与下游牛奶管路分离的阀门总成的牛奶出口。

This 3-A Sanitary Standard applies to the sanitary aspects of the unitized equipment for an automated milking installation (AMI) inclusive of the equipment applied to a hooved mammal to extract milk and continues to all components as used in the automated milking installation exclusive of the container or tank or vessel in which the milk is cooled and stored and from which the milk is removed from the dairy farm. The unitized equipment shall begin with the teat preparation and ends at the highest point between the sanitary trap and the receiver, and milk outlet of the valve assembly used to separate the milking system lines for normal milk, abnormal milk, and cleaning and sanitizing solutions from the downstream milk line(s).