466 CYCLOPEDIA OF LIVE STOCK AND COMPLETE STOCK DOCTOR. 



XII. Stricture of the Urethra. 



Causes. — This is caused by irritating ingredients in the urine, and by 

 strong astringent injections used in gleet ; or l)y the healing of ulcers in 

 neglected gleet. 



How to know it. — The urine is passed in a very fine stream ; the passage 

 recjuires a long time, and is attended with pain. There are frequent 

 painful erections. 



What to do. — Pass in, daily, a catheter, beginning with one small 

 enough to i)ass the stricture, and increase the size of it from day to day, 

 l)ushing it by the stricture with gentle pressure. 



Xm. Gonorrhoea. 



Causes. — This is inflammation of the urethra from irritating sub- 

 stances in the urine ; excessive copulation ; masturbation ; connection 

 with a newly delivered mare or one that has an irritating discharge from 

 the womb ; mechanical injury to the penis, and irritation from the pas- 

 sage or arrest of small stones or gravel. It is mostly confined to 

 stallions. 



How to know it. — By swelling and soreness in the sheath and penis ; 

 painful, slow urination, frequently interrupted and sent in jets, owing to 

 the pain ; more or less discharge of pus, which will be seen around the 

 head of the penis. 



Wliat to do. — Give a pint of raw linseed oil as a laxative, and foment 

 the sore part with hot water ; rinse out any gravel, and inject a lotion 

 made as follows : 



No. 72. % Ounce sugar of lead, 



1 Ounce vinegar, 

 1 Quart water. 

 Mix. 



Inject a little once a day. If it is necessary to continue this longer 

 than a week, change to 



No. 73. 15 Grains nitrate of silver, 



% Pint water. 

 " Mix. 



Inject a little twice a day. Feed on soft food. 



XIV. Foul Sheath. 



The sheath of most horses needs cleaning occasionally. The glands in 

 the skin secrete a fluid to lubricate the parts, and at times it is secreted 

 in larger quantities than at other times, and accumulates in a gummy, 

 black substance in the sheath. Wash it out carefully with soap and warm 

 water, being careful not to use any violence in drawing down the yard, 



