174 
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 
^ometimcs streaked with blood. 
