AND HIS DISEASES. 177 



cient nourishment ; the skin, from being allowed to become 

 covered with dirt, loses in a great measure its highly im- 

 portant function in maintaining an animal in health. 



Symptoms. — Generally the first symptom observed is the 

 animal rubbing his head and neck against the stall or manger ; 

 small pimples appear and the hair falls off ; the skin is dry 

 and hard, and upon the hardened patches may be seen small 

 red spots. A horse affected with mange is kept in a constant 

 state of irritation, which soon reduces him in flesh. 



Treatment. — He should be separated from other animals, 

 and thoroughly washed with soap and water every second or 

 third day, afterwards dressed with the following applica- 

 tion : — 



Linseed oil, 4 ounces. 



Oil of tar, 4 „ 



Sulphur, 3 „ 



Mix and rub well into the affected parts. 



Alternately with the above application mercurial ointment 

 may be used. The horse should have a generous diet and 

 moderate and regular exercise. In inveterate cases arsenical 

 solutions are beneficial, but must be used with caution. All 

 clothing, harness, &c., which has been used on a horse affected 

 with mange, should be thoroughly cleansed before they are 



again used. 



GEEASE 



Is a diseased state of the skin of the legs, and more especi- 

 ally of the hind ones. In the early stage, it consists in in- 

 flammation of the sweat glands, followed by an offensive 

 oily discharge. 



Causes. — Certain breeds of horses may be said to be pre- 

 disposed to this disfease, and those animals especially subject to 

 it are such as have coarse heavy limbs. The great exciting 

 cause of grease is uncleanliness, as allowing horses to stand 



