DEFECTS IN THE HORSE 



207 



seated, burrowing into 

 the muscles of the 

 shoulder and affect- 

 ing the bone. It may 

 usually be cured by 

 long and patient 

 treatment, but the 

 disease is a decided 

 unsoundness while it 

 lasts. 



Poll evil is a swell- 

 ing at the top of the 

 neck directly behind 

 the ears, and is usu- 

 ally caused by a 

 bruise. The swelling 

 affects the region over 

 the first vertebra?. 

 This is an unsound- 

 ness that may be cured 

 by expert veterinary 

 service. 



Defective eyesight 



is not an uncommon affection with the horse, and is not 

 always easily determined. However, if the lens or cornea 

 become darkened and opaque so that sight is affected, this 

 defect may be easily noticed. 



Fig. 116. "Capped hock is a puffed-out 

 condition at the joint of the hock." Note 

 near hock. This horse also has a contracted 

 tendon in same leg. (Photo by courtesy 

 College Veterinary Medicine, Ohio State Uni- 

 versity.) 



