226 HOG CHOLERA 



view to reducing the number of virus containing 

 carcasses that are placed on the market, measures 

 to license and control establishments where gar- 

 bage is fed, and educational activities designed to 

 acquaint breeders with the risks they assume 

 when they feed even a limited quantity of garbage. 

 Measures to prevent shipment from cholera- 

 infected herds may take two forms: first, the al- 

 ternative prompt serum treatment should be 

 made available to every breeder, and practicing 

 veterinarians will do well to school themselves in 

 handling hog cholera on the farm, so that the folly 

 of marketing infected hogs will be obvious to the 

 breeder; second, some form of penalty should be 

 attached to the practice. It is obviously impos- 

 sible to reach all offenders but the more flagrant 

 ones could easily be detected, and the effect would 

 be wholesome. When a shipment of swine arrives 

 at the yards containing a considerable number of 

 dead hogs and many others obviously infected 

 with cholera, the chances are that most of the 

 animals in it will produce carcasses which contain 

 the virus. If it could be made compulsory to 

 market such carcasses only in the form of safe 

 but less valuable cooked products, and if the hogs 

 in such a shipment were so tagged and identified 

 that the shipper himself had to accept the conse- 

 quent loss, there would be fewer cholera infected 



