Clean Milk 



does, a proportion of the elements found in 

 the nitrogenous food, the carbohydrates, 

 and the fats, and, in addition, many of the 

 minerals required by the human body. As 

 the result of the labors of scientific men im- 

 proved methods have been devised for its 

 production and preservation, and apprehen- 

 sion on esthetic or hygienic grounds has been 

 almost entirely removed. 



The advance made by the dairy farmer and 

 the milk dealer require that the consumer 

 shall also organize the methods in order 

 that the improvement accomplished by them 

 may be maintained and extended. The 

 treatment of milk in the average household 

 is woefully careless, and done without 

 knowledge of the why and wherefore. The 

 prevailing belief that a thunderstorm is the 

 cause of milk souring is one instance of mis- 

 understanding. The fact that it is easy to 

 purchase milk which will not sour during a 

 thunderstorm should suggest to the con- 

 sumer that there must be some other reason. 

 And the reason is the presence of lactic acid 



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