HORSESHOEING. 459 



CORNS. 



The pressure of the bor on one side of the 

 seat of the disease, and of the horny substance 

 of a contracted heel on the other side, added to 

 a tight shoe, causes inflammation, which, when it 

 becomes chronic, is styled a corn. 



A corn may be detected by paring the foot 

 close. It is not necessary, as recommended by 

 some authorities, to use pincers, squeezing the 

 hoof all around to find the corn, thereby giving 

 the horse unnecessary pain. They are to be 

 found only in the heel, and do not result from 

 bruises, but from pressure. 



Treatment. The shoe having been removed, 

 the inside of the hoof should be pared out 

 thoroughly all around, and if a long hoof, it 

 should be shortened. If the corn is visible, the 

 heel should be pared down and the bors weakened, 

 opening the heel as far back as possible (see 

 Plate No. n), and fitting an open shoe, so as to 

 throw the pressure off the heel. The pressure 



