DK. LEGEAR'S STOCK BOOK. 239 



Symptoms. The animal becomes very lame, and on examining 

 the foot a hard swelling will be found at the top of the hoof, 

 which becomes soft in a day or two and bursts and runs pus. 

 A hole remains which does not heal. Sometimes two or three 

 holes are formed, and then it is a very serious thing. Very fre- 

 quently matter will burst out at the top of the hoof, and in a 

 day or two will all heal up. Such a case is not a quittor. 



Treatment. Quittor when once well established is very hard to 

 cure. Remove the shoe and thin down the sole and try and let 

 the matter out at the bottom by free drainage. Inject a little of 

 the following solution into the opening: Corrosive sublimate 1 

 dram, alcohol 2 ounces. Dissect away all the diseased portions 

 above the hoof and cauterize it with a hot iron. In a bad case 

 of quittor a qualified veterinary surgeon should be employed. 

 Treatment is so difficult and uncertain that the average horse 

 owner will not make much headway in the treatment of quittor. 



THRUSH. 



Thrush is a disease of the horse's foot, shown by a very bad 

 smelling, dark-colored matter coming from the cleft of the frog. 



Causes. The most common cause of thrush is the filthy con- 

 dition of the stable or lot in which the horse is kept. A sudden 

 change from dryness to excessive moisture may cause the disease. 

 Muddy streets and roads, especially where mineral substances are 

 plentiful, cause the disease. Contracted heels, scratches and nav- 

 icular disease predispose to thrush. 



Symptoms. There is a discharge of a yellowish or dark-col- 

 ored matter from the cleft of the frog. This matter has a very 

 offensive smell, and if once smelled will always be remembered. 



