Milk from an untreated cow is still relatively safe to drink.But the milk is full of white blood cells that thicken and make the milk go bad more quickly.

• 产自患病奶牛的奶对饮用来说依然相对安全，但这种奶里边充满了白血球细胞，这种细胞使牛奶变稠同时也变质的更快。