CARE OF MILK AND CREAM 



39 



conditions it is possible to produce milk with a germ- 

 content of less than ] 0,000 bacteria, to a cubic centimeter 



Fig. '1 — All old b irn with rriiks filled with straw is not a sanitary 

 pUire 111 which to milk. 



when the utensils are properly prepared. For data and 

 proper methods of cleaning dairy utensils, see Chapter III. 



A METHOD OF PREVENTING THE GROWTH OF BACTERIA 



A question that naturall}' follows the above discussion 

 is : What factors are important in the growth of bacteria 

 and what may be done to prevent the development of 

 those that gain access to milk ? 



