13-1: THK HOUSE IN HEALTH ANY) DISEASE 



twi) lira.nclics and is crescent shapeil, The sole should l)0 ilislinelly 

 vanlted. The lioi-n of Ihe sole is friable, brittle, and flaky. Flakes 

 of (lead h(.)rn Rraduall}' loosen and fall off. They should never be 

 pared away with the knife. The outer border of the sole is beveled 

 to correspond to the slope of the wall. It does not come directly 

 in contact with the wall, but is separate(l by the irhltf line of soft 



Fig. 4.5.— Right fore hoof, ground .surface: 1, Wall at, toe; 2, lamina' of 

 wall; .3, angle of wall; 4, bar; .5, sole; .5', angle of sole; G, white line (junction of 

 wall and sole); 7, point of frog; 8, median cleft of frog; 9, 9, lateral cleft.s of 

 frog; 10, 10, bulbs of hoof at the heels. (Sis.son, Anatomy of Domestic Ani- 

 mals.) 



horn. This line is of threat importance to horseshoers, as it indi- 

 cates the thickness of the wall. The inner border of the sole is a 

 V-shaped notch which joins the bars except at its narrow part 

 where the fros articulates. 



The frog is an exact mold of the plantar cushion which it covers. 

 It is a wedge-shaped mass, filling up the angle between the bars 



