CHAPTER XXII. 
INJURIES AND DISEASES OF THE HEAD, NECK, 
SHOULDERS, BODY AND HIPS. 
I. — The Head and Neck. 
1. Poll Evil. 
The name "poll evil" is derived from the location of the 
disease, being in the poll of the head. 
Causes. — The primary cause of poll evil is an injury of 
some sort such as may be the result of striking the head 
against the top of a low doorway when passing in and out of 
the stable, jerking back when tied with a halter, or wearing a 
heavy poke to prevent jumping. 
Symptoms. — There is swelling and soreness of the parts. 
The head is carried in a stiff manner and there is difficulty to 
Fig. 47.— Poll Evil. 
move the neck and head because of the pain thus caused. As 
the disease progresses there is formation of matter, followed 
by disease of the bone itself. 
Treatment. — If treatment be prompt the result is usually 
satisfactory. Remove the cause, bathe the parts well with 
warm water and a little vinegar twice a day. After bathing 
rub dry, and each time apply the white liniment. Keep the 
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