186 



THE FARMER S VETERINARIAN 



undoubted hog cholera, and yet the ante mortem 

 or post mortem symptoms show very little upon 

 which to base a diagnosis. But we may easily 

 demonstrate that these were cases of cholera by 



injecting their 

 blood into sus- 

 ceptible hogs 

 and by thus 

 producing typ- 

 ical cholera. 



At the autopsy 

 of an ordinary 

 case of cholera 

 the first and 

 perhaps the 

 most striking 

 thing seen is the 

 purpling of the 

 skin. On open- 

 the carcass small 

 blood spots may 

 be found under 

 the skin and in 

 the fat cut 

 through. The 

 glands along the 

 intestines are 

 THE RESULT OF HOG CHOLERA intensely in- 



A post mortem of a hog dying from flamed. The 

 cholera will show ulcers like those pic- 

 tured here. Look for them in the large muCOUS m 6 m- 



intestlne ' brane of the 



stomach is frequently thickened and roughened 

 and in chronic cases there may be ulcers. 

 On openiBg the intestines we see areas here and 

 there of intense inflammation in the acute cases or 

 numerous ulcers in cases of more chronic type. In 



