非健康奶牛所产牛奶和奶牛场受到污染的牛奶中的细菌会一直存在于整个生产链中 ,虽然在以后的加工过程中可通过杀菌程序杀死牛奶中的大多数细菌 ,适合消费者直接饮用的安全质量要求 ,但牛奶中的营养物质已受到很大破坏 ,其品质远比不上刚挤出的新鲜牛奶 ,因此为广大消费者提供 Bacteria in milk from unhealthy cows and from contaminated milk will persist throughout the entire production chain, although most of the bacteria in the milk can be killed by the bacteriocidal process during subsequent processing, suitable for direct consumption by consumers Of the safety and quality requirements, but the nutrients in milk have been greatly damaged, its quality is far less than just out of fresh milk, so for the vast number of consumers