426 



VETERINARY SURGICAL OPERATIONS 



The crack may be seen to extend deeply into the coronary 

 substance and completely through the sensitive laminae to 

 the periosteum. Sometimes the existence of small exostoses 

 along the crevice announces a previous involvement of the os 



Fig. 214— Form of Curable Hoof Crack. 



pedis itself, and in acute cases sloughing of the laminae and 

 exfoliatipn of a segment of bone is a common occurrence. 



The aim in this step is to remove harmful elements and 

 then to shave off the coronary cushion uniformly along the 



Fig. 215 — Farrier's Simple Procedure against Hoof Cracks. 



whole exposed portion, as deep as the crack extends into 

 its substance, so that the hoof will thereafter grow out as a 

 unit. < The laminae are trimmed slightly along the crevice, es- 

 pecially of its black, dirt-containing portions. 



