242 HOG CHOLERA 



serum laboratories the official veterinarian can 

 play an indispensable part in the fight against hog 

 cholera. 



The serum producer's part is to supply suffi- 

 cient potent serum to immunize all hogs that ac- 

 tually require immunization. Despite notable ex- 

 ceptions it must be said that on the whole the part 

 has been played well, and when breeders, prac- 

 ticing veterinarians and official veterinarians, as 

 classes, meet their obligations as well as the serum 

 producer is meeting his, there will be far less hog 

 cholera in the country. 



Volumes could be written on the eradication of 

 hog cholera if we were to follow the various rami- 

 fications into which details of the problem lead us. 

 There are the questions of uniform regulations 

 for interstate shipment of swine ; of separate reg- 

 ulations for crated swine; of rules governing the 

 exhibition of hogs at fairs ; and of funds to admin- 

 ister laws and regulations that are already pro- 

 vided. These and many other supplementary 

 problems appear but consideration of them here 

 would only cloud the more important issues. 



The points we emphasize in closing are that at 

 the present time the obstacles presented in the 

 eradication of hog cholera rest not so much in 

 lack of machinery to do the work as in the manner 

 in which the existing machinery functions; that 

 three well-known wide-open routes for the inter- 



