144 DISEASES OF SWINE 



and acts dull and stupid. The latter symptoms are 

 due to the poisonous products manufactured by 

 the germs, and the effect they have on the nervous 

 system, as well as the weakened, debilitated con- 

 dition. 



The disease usually terminates in from three 

 to ten days. The loss in the herd is frequently 

 fifty per cent., and, if the conditions favor the 

 development of the disease, it is even more fatal. 

 Cases that make a recovery are generally stunted, 

 or deformed about the face and lips. 



Treatment.- — Preventive measures are very im- 

 portant. They should be carried out along two 

 lines: (i) keeping the hog house and yards in a 

 sanitary condition by removing the manure and 

 other filth, and the occasional disinfection of the 

 hog house ; (2) not allowing an infected pig to mix ' 

 with the herd. 



As soon as the disease breaks out :n a litter, 

 both the mother and the pigs should be separated 

 from the herd. The affected pigs can be treated 

 by dipping them head foremost into a four per 

 cent, water solution of some reliable tar disinfect- 

 ant, or permanginate of potassium, one ounce to a 

 gallon of water, can be used. A more thorough 

 way to treat them is to wash out the mouth by 

 injecting the solution directly into it with a 

 syringe. • It is advisable to use this method wher- 

 ever practical, and especially in advanced cases. 

 It is also advisable to clean the ulcerated parts by 

 scraping away the dead tissue and rubbing the 



