The Horse : its treatment in health and disease, with a complete guide to breeding, training and management . s which extendnearly to the heels, but leaving between thema large space which is filled by a pad of elasticmaterial, over which the frog rests. Thisarrangement permits the frog great freedomof movement, and gives to the back portionof the hoof the special feature of elasticity sonecessary to its function of breaking concus-sion when the foot comes to the gioundduring progression. The front part of thefoot, by the thickness and hardness of thewall, and by the rigid basis of bone within
The Horse : its treatment in health and disease, with a complete guide to breeding, training and management . s which extendnearly to the heels, but leaving between thema large space which is filled by a pad of elasticmaterial, over which the frog rests. Thisarrangement permits the frog great freedomof movement, and gives to the back portionof the hoof the special feature of elasticity sonecessary to its function of breaking concus-sion when the foot comes to the gioundduring progression. The front part of thefoot, by the thickness and hardness of thewall, and by the rigid basis of bone within,is specially fitted to sustain the strain whichis placed upon it when the toe takes theweight of the horse, as it does in all forwardmovements. The back part of the foot, byits thinner and more elastic horn, by its piominent and soft frog, and by the partial substitution of cartilage forbone as its inner basis, is specially endowed for receiving its first impactwith the ground during progression. That the foot may preserve its func-tions intact the hoof must be maintained in its best form. No parts must. Fig. 629.—Under Surface of the Coffin-Bone, showing its Position within theHoof A, Os pedis. B, Sensitive and insensitivelaminae, c, Wall of hoof. D, Horny frog. 438 HORSE-SHOEING be defective, and all must be proportionate. A foot denuded of horn mayhave its sensitive portions injured, and a foot covered by an excessiveor disproportionate hoof may so destroy the balance of the limb as tocause grave lesions, resulting in lameness. Shoeing is necessary to protect the foot by preventing wear of hoof,but shoeing l)y preventing wear leads inevitably to excessive growth ofhorn. Good shoeing, then, entails regular removal of shoes and systematicreduction of the overgrowth of horn. Before a shoe can be properly placedupon a foot, the hoof must be prepared for it, and this operation requiresfor its skilful performance a knowledge of the normal form of a horses foot,of the proper pro
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Keywords: ., bookcentury1900, bookdecade1900, bookidhorseit, booksubjecthorses
