RELATION OF BACTERIA TO CHEESE 109 



itself can be followed. In such cases it is advisable to infect 

 the milk on the farm rather than at the factory. This can 

 readily be done by placing in milk cans a small quantity 

 of a gassy starter, so that the normal souring organisms are 

 overpowered. 



Exercise. Each student will make curd tests of the samples of 

 milk furnished him. 



