226 DR. LEGEAR'S STOCK BOOK. 



discharge of semen, by rubbing the penis against the belly or be- 

 tween the front legs. Some stallions practice this vicious habit so 

 much that they keep thin and poor, no matter how well fed. If 

 in a common >tallion of not much value for breeding purposes 

 we would advist- castration. It can be prevented by the use of a 

 shield which is attached over the end of the sheath and fastened 

 on by straps over the loins and between the thighs. Shields are 

 generally made of netting or screening, and are so adjusted to 

 the horse as to keep him from protruding his penis. 



GONORRHOEA. 



This is a disease seen occasionally among both horses and 

 cattle, but more frequently among cattle. In cattle it is some- 

 times called "bull-burnt." It is an inflammation of the urethra 

 (the canal that conveys the urine from the bladder), and some- 

 times becomes a very serious affection. Stallions or bulls affect- 

 ed with gonorrhoea will convey it to every female they have con- 

 nection with. Females will also communicate it to males. 



Causes. It may arise from any cause that has a tendency to 

 irritate the urethra of the male, or the urethra or vagina of the 

 female. Gravel or irritating urine may irritate and inflame the 

 urethra, which may remove the lining membrane and cause 

 chancres or ulcers. Too frequent service is a prolific cause, and 

 it may originate in the female from the whites. 



Symptoms. The animal shows considerable pain in urinating, 

 which is frequently attempted, while only a little urine is passed. 

 The animal evinces a great deal of pain by raising and stamping 

 the hind legs and is disinclined to move. There is a whitish 

 discharge from the penis or vagina. In neglected cases the 

 membranes pn-1 off, ulcers or chancres appear, ami tin- bull or 



