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THE VETERINARY SCIENCE 



strain sufficiently to pass water. Should this not be the case 

 pass the catheter carefully into the bladder through the small 

 hole and drain off the urine. If the affected animal be a 

 male, pass the catheter through the hole in the penis into the 

 bladder and empty it. It is well to put a little sweet oil on 

 the instrument before using it, as this will prevent friction 

 and make the operation easier to perform. 



One operation of this kind is generally sufficient. 



5. Inflammation of the Bladder. 



Causes. — Inflammation may be the result of injury such 

 as that received in a difficult case of foaling. Exposure to 

 the weather — cold rains or lying upon the damp ground may 

 cause it. , 



Fig. 21. — Suffering from Inflammation of the Bladder. 



Symptoms. — The animal walks with a straddling gait, 

 and makes water often, in small quantities. The urine is 

 sometimes streaked with blood. 



