DISEASES. 



663 



ease has been of long continuance, and is accompanied with much 

 lameness. It is liable to but one oontra-indication, and that is 

 when the foot is not sufficiently strong to hold it, by reason of the 

 heels having been pared down excessively. It has been tested 

 for a long time, not only by the Defays, Senior and Junior, but 

 by many others. H. Bouley, in France, with Hartmann and Mayer 

 in Germany, recommend it as an excellent curative treatment. 

 These instruments have been modified and perfected, such as those 

 shown in Pigs. 512 and 513. 



Pio. 512.— Defays' Improved Vise. 



Fig. 513.— Mericant's Desencasteleur. 



We must again mention the simple and Hght desencasteleur of 

 Jovard (Fig. 514), which is as powerful as that of Defays. It is 

 composed exclusively of a double vice, with opposite threads, 

 opening or closing two strong claws, which are applied upon the 



Fig. 514.— Jovard Desencasteleur. 



internal borders of the branches of the shoe ; a rod of iron is in- 

 troduced in the holes of the head of the vice and puts the instru- 

 ment in motion. 



It may be said that on general principles it is preferable to 

 treat hoof-bound by the use of dilating shoes than to resort to 

 the bloody operations recommended in earlier times. It is these 



