DETERMINATION OF BACTERIA IN MILK 



583 



TABLE 3 

 Comparison of bacteria counts on extract agar, infusion agar, and milk-powder 



yeast agar 



EXTRACT AGAR, 



STANDARD METHODS 



A. P. H. A. 1916 



INFUSION AGAR, 



STANDARD METHODS 



A. P. H. A. 1910 



INCREASE 



OVER EXTRACT 



AGAR 



MILK-POWDER YEAST 

 AGAR 



INCREASE 



OVER EXTRACT 



AGAR 



Raw milk 



Pasteurized milk 



