EVIDENCE OF DISEASE. 73 



(a scaly chronic skin-disease affecting the bend 

 of the hock), constitute unsoundness. Note the 

 animal's action for stringhalt, shivering, grogginess 

 (navicular disease), jinked back, lameness, etc. 



The special parts to be examined are the eyes, 

 the pulse, and the breathing. 



It is a very difficult matter for an amateur to 

 form an opinion as to whether a horse has, or 

 has not, perfect vision in one or both eyes. 



Cataract and opacity of the cornea are the 

 most frequent causes of visual defects, but there 

 may be other causes. 



The Breathing should be examined for broken 

 wind, roaring, whistling, or for grunting. 



The normal state of the Heart can usually be 

 ascertained by the regularity and fulness of the 

 pulse. 



In the stable such bad habits and diseases 

 as weaving, wind-sucking, crib-biting, stringhalt, 

 shivering, etc., are often to be detected. 



