727 



Fig. 537.— Direction the Groove should take to remove the Quarter In the Operation 

 for Cartilaginous Quitter. A £.— According to Lafosse. A C— According to Eey. A D. 

 —According to Renault. A ^.—According to Lafosse and Dietericths. 



too near the heel, and recommends the groove to be so made that 

 the lower border will have the same length as the upper, and for 

 that reason advises that it be as nearly parallel as j)ossible with 

 the line of the heels. Lafosse, Sr., removes too large a portion of 

 the hoof. Lafosse, Jr., leaves a portion of hoof which not only is 

 useless, but which interferes with certain steps of the operation, 

 when with the double sage knife, the skin is separated from the 

 external surface of the cartilage, and also, when this is removed ; 

 and again, there is a separation between the severed portions of 

 the quarters much greater than occurs in the process of Renault, 

 which, like that of Rey, exposes the entire cartilage, and greatly 

 facilitates the operation. 



It is to be understood that the foot has been prepared ; that 

 the hair has been clipped over the skin covering the cartilage; 

 that the sole has been pared thin, down to the blood, as well as 

 the bar corresponding to the diseased cartilage, so that the quarter 

 has been allowed to project below the sole, to facilitate its aver- 

 sion. The foot has been, moreover, well prepared by two or three 

 days of poulticing, to render the hoof easier to be cut by the in- 

 strument, and the operation easier to j)erform, and therefore 

 shorter in its various steps, beside placing the patient in the best 

 condition for the endurance of so serious an oj)eration. 



After casting the animal upon a good bed, and fixing the feet, 

 placing a temporary hemostasis, by the use of a strong cord, simi- 

 lar to a tourniquet, around the coronet, a groove is made, using 

 various-sized drawing-knives, running from the anterior angle of 

 the lower border of the cartilage downward to the sole, following 



