948 DISEASES AND THEIE TKEATMENT. 



moving the shoe, the sole is found tender, and the foot hot; on 

 paring the sole, it is found discolored at the bruised part. 



Treatment. A few days' rest may be necessary, with the 

 foot immersed in a poultice, or stopped with some emollient dress- 

 ing; and by using a leather sole or felt pads for a short time, it 

 disappears. 



TREADS, OR CALKS. 



Injuries to the coronet are very common, especially in the 

 Northern States during the winter months, when horses with sharp 

 calks are driven or worked on rough, icy roads or deep snow, par- 



Em. 811. The coronet as it IG. 812. As the hair should 



usually appears when be clipped from the edges 



badly calked. of the injury. 



ticularly in the woods. Treads, or calks, usually happen on the 

 hind foot, by the horse accidentally setting one foot on the other, 

 or another horse stepping on it. In ordinary cases, if not cut 

 very deep, all that is necessary to do is to cut the hair from the 

 edges, sponge or clean out any hair or dirt that may be driven in, 

 and pour on a little kerosene oil, followed by a little hot tar, or 

 the parts covered with hot tar will be sufficient. 



But if the cut is deep, it will sometimes prove to be a very 

 serious difficulty, and require prompt attention to prevent serious 

 inflammation of the parts. The first thing to be done in such a 

 case is to carefully remove any dirt, or other foreign matter. 

 When thoroughly clean, it may be bound up with a pledget of 



