388 DISEASES OF HORSES AND CATTLE. 



horse should fast for five hours, at least, before 

 giving the medicine. In two hours after the medi- 

 cine has been given the horse should have a bran 

 mash and on the following day give one quart of 

 raw linseed oil. The same treatment is useful for 

 cattle. 



The Sclerostoma of the Horse, also called the 

 "Palisade Worm" or Strongylus Armatus. — This 

 is a slender, round worm, reddish or brownish 



Fig. 22— Palisade Worm in a Blood Vessel 



in color, and found in the intestine and in 

 peculiar enlargements of the arteries of horses, 

 mules and asses. The male usually attains to one 

 to one and one-fourth inches, the female from one 

 and one-half to two inches in length. The 

 strongylus armatus minor found in the blood ves- 

 sels is the same parasite above mentioned, only it 

 is in a sexually immature condition. (Fig. 22.) 

 This parasite is very common in the horse, and is 



