282 DISEASES OF THE HORSE'S FOOT 



of October, and at the end of that month he was turned out 

 for the winter.'* 



3. ' On July 3 an interesting case of laminitis came 

 under my notice. The subject was a mare, eight years old, 

 which had been running on the common here for some 

 months, and was taken up on the night of July 2 by a boy, 

 who did not observe anything amiss with her. The follow- 

 ing morning, on the owner going to the stable, he found the 

 animal in great pain, and at once sent for me. I discovered 

 her to be suffering from laminitis, and saw her again in 

 the evening, when she was much worse. The attack proved 

 to be a most severe one. 



' The owner informed me that she had not been allowed 

 any corn for two months, and that she had no distance to 

 travel on the road from the common. 



' Though on such a poor pasture, the mare was very fat ; 

 she had never been unwell before this attack. 



' This is the first case I have seen of laminitis occurring 

 when the animal was on grass.' t 



B. CHRONIC. 

 1. Chronic Laminitis. 



Definition. — A low and persisting type of inflammation 

 of the sensitive structures of the foot, characterized by 

 changes in the form of the hoof, and incurable pathological 

 alterations within it. 



Causes. — Chronic laminitis more often than not is a 

 sequel to the acute form we have just described. With an 

 attack of acute laminitis that defies treatment, and does not 

 end in resolution in from ten days to a fortnight, then the 

 chronic form may be expected. 



The brittle horn, convex sole, and other changes we have 

 described under Pumiced Foot may, however, be regarded 

 as a chronic laminitis, and this condition, as we have 



* Veterinary Record, vol. xiv., p. 649 (Charles A. Powell). 

 t Veterinary Journal, vol. ix., p. 176 (W. Stanley Carless). 



