338 



SWINE PRACTICE 



pasteurizing milk from suspected cows, will materially diminish tuber- 

 culosis in milk-fed swine. The tuberculin testing of steers or other 

 cattle and the elimination of all reactors will prevent the introduction 

 of tuberculosis in swine that follow cattle in the feed lots. Cooking 

 of garbage will prevent the dissemination of tuberculosis to swine. 

 Denver garbage is cooked and fed to swine, and the infection of tuber- 

 culosis and hog cholera as well is thus eliminated. 



Swine Erysipelas 



Sv;'ine erysipelas is an infective disease of swine characterized ]>y 



Proliferation 



Proliferation 



Fig. 100. Proliferations on heart valves following swine erysipelas. 



a high temperature, cerebral disturbances and discoloration of the 

 skin. This disease has not been identified in the United States but it 

 has been more or less prevalent in most of the countries of Europe. 

 It is essentially a disease of adult swine and rarely affects swine that 

 are more than three years of age. 



Etiology. — Swine erysipelas is caused by the B. of swine erysipelas. 

 This is a slender rod-shaped bacterium from 1 to 2 microns in length 



