THE RELATION OF MICROORGANISMS TO MILK 





469 



they fall into the milk pail at milking time. The return of milk bottles 

 from the sick room sometimes is the means of infecting the milk supply. 



FIG. 145. 



Unfortunately the specific organisms of these diseases grow readily 

 in milk and a small infection is all that is necessary to render the 

 milk dangerous by the time it reaches the consumer. 



