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four hours ; then make an opening through the horn, over the 

 place where the nail went in, so as to allow the pus to escape. 

 For, if this be not done, and the pus is left in the foot, it will in a 

 few days, and at a great expense of suffering to the horse, break 

 out between the hoof and the hair, constituting quittor. After an 

 opening has been properly made, drop five drops of muriatic acid 

 into the hole once a day, for a day or two. Poultice every second 

 night or day and not oftener. A healthy hoof can be poulticed 

 off by constant application. 



The horse can go to work as soon as he can step on the ground 

 firmly and without lameness. Remember, that in all cases of 

 pricks and other injuries which end in suppuration, as pus in the 

 foot of a horse, make a thorough opening so as to allow the pus to 

 escape, and no more trouble need be apprehended ; except the 

 nail has entered into one of the tendons of the foot, in that case 

 no pus will be usually formed, the majority of cases ending in 

 locked-jaw (which see). Where pus is formed after pricking, no 

 locked-jaw follows ; it is in those cases only where pus is not 

 formed that locked-jaw may be expected. 



(7.) Bruises of the Foot. — (Treat as for Prick of Foot.) 



(8.) Sand or Quarter Crack. — This is a crack or split in the 

 hoof, usually on the inner side of the forefoot, although splits and 

 cracks occur in all places, and in both fore and hind feet. 



Causes. A brittle condition of the hoof, from the want of suffi- 

 cient moisture. In some cases the horse does not stand square 

 upon his fore feet, thereby causing undue weight to fall upon one 

 of the sides of the hoof and causing it to crack. 



Prevention. Apply to brittle feet equal portions of the oil of tai, 

 and cod liver oil, whale oil, or any fish oil well rubbed in with a 

 brush to the hoofs a few times a week ; and occasionally apply 

 wet cloths to the feet in the summer season. In winter the feet 

 are better supplied with moisture. 



Treatment. Rasp the edges of the hoof Ihin, the nearer the crack 

 the thinner the horn should be made ; this can be filled up with 

 shoemaker's wax. After the horn has been properly thinned a 

 piece of the wall of the hoof, for about half an inch on each side 

 of the crack, is to be cut out to prevent any bearing of the shoes 

 upon it, thereby preventing the constant opening, shutting and 

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