MILK SUPPLY AND CREAMERY PRODUCTS 37 



have less than 10,000 or 20,000 or 30,000 bacteria, as 

 the case may be. 



Counting the bacteria in a cubic centimeter of milk 



The cost of producing certified milk places it beyond 

 the reach of the great majority of consumers. But 

 such care and cleanliness as can be observed by the 

 farmer and the milkman without extra expense should 



