Clean Milk 



change in milk, and consequently a deprecia- 

 tion of its value, is the result of exposure to 

 bacterial dirt, he will be forewarned and 

 forearmed and much better qualified to 

 work intelligently. 



Exposure to bacterial dirt is occasioned 

 by putting milk into unclean vessels, by 

 keeping it uncovered near unclean persons 

 and animals, and leaving it uncovered in un- 

 clean places. Some exposure must occur in 

 the ordinary routine. So much is granted. 

 But this exposure can be made as slight and 

 as harmless and as short as possible. That 

 is, milk in its passage from cow to consumer 

 should enter a small number of vessels, the 

 fewer the better; the surface it touches in 

 these vessels should be reduced as much as 

 can be, and the openings in these vessels 

 should be as small as the purpose allows, 

 and provided with covers. Necessary expo- 

 sure is limited to drawing milk from a clean 

 cow with clean fingers into a clean pail in 

 a clean barn; it means straining in a clean 

 room through a clean strainer into a clean 



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