DISEASES OF THE FEET 259 



slipping, a ''four-calk" shoe should be employed. 

 Toe calks and heel calks should be avoided. If a bar 

 shoe is used, and in most cases it Is beneficial, the bar 

 should be of such a character as to protect the frog; 

 that Is, It should be wide, and should be fitted so as not 

 to touch the frog at any point. As a rule, the heels of 

 a horse with navicular disease should be lowered. 

 James Clark says, " The foot should be well-pcnulticed 

 before shoeing, and the coronary band well stimulated 

 with a blister or a penetrating liniment after shoeing 

 that will remove the soreness, and keep the foot in a 

 soft and pliable condition." Springs to expand the 

 heels may also be used, care being taken to keep the 

 feet soft while the springs are In use, as otherwise they 

 would do more harm than good. 



THRUSH 



This Is a diseased condition of the frog, and Is readily 

 detected by a peculiar and offensive smell. It Is usually 

 caused by standing in a wet and dirty stall. Stuffing 

 the feet with cow-manure. In order to soften them, has 

 often caused thrush. Sometimes thrush appears from 

 the very opposite cause, that Is, from extreme dryness 

 of the frog, produced by want of frog-pressure. 

 Thrush can easily be cured If taken In time, and does 

 not cause lameness unless It Is neglected. Yet many 

 horses become lame from thrush because their owners 

 pay no attention to their feet. 



An excellent remedy Is the application of salt, soaked 

 with kerosene oil. Tow, soaked with tar or carbolic 

 add, and well pushed into the clefts and crevices is 



