EXPERIMENT STATION REPORTS. 



187 



1200000 



000000 



600000 



ilOOOOO 



12 3 4 



Ett'ect of iiiediuiii on total l)iictei'ial count. Courpai'i.suii of 102 bac- 

 terial counts obtained with 



1. Meat infusion agar. 



2. Meat extract agar. 



3. Milk powder agar A. 



4. Bacto agar. 



A tabulation of the samples of milk in Groups I, II, and III with 

 average luicterial counts below J 0,000 jier cubic centimeter when plated 

 upon four kinds of media shows that Bacto agar gives the highest 



