14 



Bulletin 150. 



% 



'% 



-'^j 



* 



B: 



■:.^i 





'■.^s^sV^-' 







^^-r, 



indications of tuberculosis in the throat, 

 or superficial lymph glands may appear. 



Tjiberculosis of the stomach and bowels 

 is common in young animals living on 

 milk but is not infrequent in the mature 

 animal as well. It may come from 

 infected milk, or from the swallowing 

 of the diseased products coming from 

 tuberculous throat or lungs. In calves 

 there may be noted indigestion, foetid 

 diarrhoea, bloating, and finally cough and 

 expectoration or swelling of the super- 

 ficial lymph glands. In older cattle 

 there may be irregular appetite and 

 rumination, bloating after meals, costive- 

 ness alternating with diarrhoea, colics, 

 and marked emaciation. The oiled hand 

 introduced into the rectum may detect 

 the enlarged mesenteric glands, which 

 must be carefully distinguished from 

 hardened foeces in the bowels, from the 

 ovaries, from masses of fat, and from the 

 cot34edons of the womb. 



Tiiberc2(losis of the wo?nb and ovaries 

 may depend on infection by the bull, or 

 may be a complication of intestinal and 

 peritoneal tuberculosis. It is usually 

 marked by sterility, abortion, by fre- 

 quency and intensity of oestrum, and by 

 marked emaciation. Sometimes there 

 is a white vaginal discharge. 



Tnbe7Xulosis of the live?', spleeji and 

 pancreas is also a common accompani- 

 ment of infection of the bowel or 

 abdonimal cavity. The liver and spleen 

 are especially liable to suffer from being 

 on the line of circulation of the portal 

 vein which brings blood from all the 



3. — Drazuing of tuberculous spleeti 

 in pig. shozvitig tubercles 2- 3 the 

 natural size . 



