Contamination of Milk. 45 



Much reduction as to the amount of dirt that finds its 

 way into milk may be accomplished by improved stable 

 environment. The fouling of the udder and flanks comes 

 from wading in dirty water, muddy yards, and from 

 improper type of stalls. Barnyards are often a disgrace 

 through the accumulation of manure and seepage. Cows 



FIG. 10. DIRT FROM MILK. 



The dirt adherent to each of the filters was obtained from one 

 pint of milk. The milks tested were produced on different 

 farms. 



wading in such mire cannot but accumulate mud and 

 filth to a material degree on the teats and udder. 

 Greater care as to drainage of the barnyard and the 

 paving of same with gravel, cinders, etc., will permit of 

 its being kept clean, and so prevent the fouling of ani- 

 mals. But more important than the yard is the stall 



