The Vet. Book 



of the bowel descends from the belly down the 

 inguinal canal into the scrotum, sometimes to 

 such an extent that several feet are hanging down 

 behind. The chief danger in connection with 

 ruptures in this region is their tendency to become 

 strangulated, and horses are occasionally coliced 

 from this cause. 



Treatment purely surgical. There are numerous 

 other ruptures {see also Prolapsus Uteri, etc). 



Roup 



is a disease affecting poultry and allied to dis- 

 temper in the dog. Its highly infective nature 

 is good evidence that it is a specific disease, and 

 when it appears in the poultry-yard is most 

 difficult to eradicate. It is spread by means 

 of feeding utensils, food, drinking water, etc., 

 also by birds. It is very infectious, and when 

 runs have become fouled with this disease, the 

 best plan is to let them lie fallow. Apply hot 

 gas lime, or salt, and plough up ; or the ground 

 may be trenched. Isolate the infected birds. The 

 leading features are : a creamy discharge from the 

 nose and eyes, which thickens, and occludes the 

 nasal and occular cavities, and may cause suffoca- 

 tion. The birds drop their wings, mope and 

 sneeze, and in this manner infect other birds. It 

 may easily be introduced by recently purchased 

 birds, hence the advisability of keeping such 



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