142 



VETERINARY STUDIES 



drams in capsules) is quite satisfactory. No food should be 

 allowed during twenty-four hours before treatment. Four to 

 six hours after treatment an oil physic, such as raw linseed oil, 

 should be given. It is usually advisable to have this treatment 

 given by a veterinarian. 



Nematodes (round worms). — For pin worms {Oxyuris equi) 

 which inhabit the rectums of horses, empty this organ by means 



Fig. 48. — Horse Bots and Bot Fly. 

 (B. A. I.) 



The eggs are deposited on the hairs during 

 the fall. They are taken off by the tongue ; 

 hatch, and develop mainly in the stomach, 

 into the bots (larvae). 



of w-arm water injections, and then u>se I/2 gallon of warm rectal 

 injections of astringent and bitter medicine, like a very mild 

 solution of copperas or 0.5 per cent creolin or a strong tea 

 made of quassia chips. ^ Repeat once daily for two or three 

 days and follow with an oily physic, e.g., one quart of raw lin- 

 seed oil. 



Ascaris equi. — For the "long white worms" 6 to 12 inches 

 long, affecting the small intestine of horses, the treatment must 

 be vigorous and continued. 



Give a cathartic of 1 quart linseed oil. Feed little or no hay 

 for 4 days. Fast 12 hours, then give 1 to 4 ounces of turpentine 

 in from 1 pint to 1 quart of raw linseed oil on the 5th day, and 



^ A large handful of quassia chips in two quarts of ■wuter. Steep 15 

 minutes and let stand overnight. 



