Foot and Mouth Disease 



105 



which is sometimes called "non-contagious foot and mouth disease" is 

 often mistaken for contagious foot and mouth disease. Sheep and hogs 

 do not easily develop ergotism while they develop foot and moutli disease 

 in a very few days when confined with infected animals. 



With contagious foot and mouth disease quite a number develop the 

 disease in a few days while with ergotism the cases usualy develop slow- 

 ly or no new cases develop if the food is entirely changed to food of 

 plants, not growing ergot (See index for ergotism.) 





l". 



Characteristic flow of saliva ot an animal effected with foot and 



mouth disease 



Animals with contagious foot and mouth disease become stupid and 

 dull with a rapidly reduced flow of milk. The base of the horns, ears 

 and muzzle become dry and feverish. The tops of the hoofs may become 

 feverish. 



At the onset of the disease the flow of saliva is not materially in- 

 creased but as the disease advances it flows in shreds from the mouth 



