428 DISEASES OP CATTLE. 



and the history of these cases incriminates the milk 

 supply. 



Experiments by LoefiSer and Froeseh, as well as recent 

 experiments which have been made in Denmark and 

 Germany, indicate that the infection is comparatively 

 easy to destroy by heat or the usual antiseptics. Milk 

 pasteurized at a temperature of 60° C. for 20 minutes is 

 safe so far as infection by foot-and-mouth disease is con- 

 cerned. 



