CHAPTER V 
MILK IN THE UDDER 
MILK as it comes directly from healthy cows 
may contain no bacteria, but most cows give milk 
containing 200 or 300 bacteria per cc., which 
have found their way from outside into the ends 
of the teats. If handled carefully milk may 
pass through the dairy without the addition of 
bacteria. On the other hand, it may receive dirt 
from the cow’s hide, the air of the barn, the 
milker’s hands, the milking pail, strainer cloth, 
cooler, or cans, and in the end contain many 
millions of bacteria. In safeguarding milk from 
bacteria and dirt every step of the journey from 
the cow to the consumer must be protected by 
those methods which will prevent damage from 
outside sources. 
ANIMAL MATTER IN MILK 
Such protection must begin while the milk is 
still inside of the cow’s udder. Farm produce 
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