MILK PRODUCTION 251 



bacteria per cubic centimeter at the end of twelve hours was 

 9300, and the milk curdled at the end of 75 hours. When a 

 sample of the same 'kind of milk was kept at 80 deg. F., at 

 the end of twelve hours the number of bacteria per cubic 

 centimeter was 55,300,000, and the milk curdled in 28 hours. 



