File:The horse, its treatment in health and disease with a complete guide to breeding, training and management (1906) (14596279470).jpg

Identifier: horseitstreatm09axej (find matches)
Title: The horse, its treatment in health and disease with a complete guide to breeding, training and management
Year: 1906 (1900s)
Authors: Axe, J. Wortley
Subjects: Horses
Publisher: London, Gresham Pub. Co.
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries

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antly growing, there is a continuouslengthening of the toe. The effect of ex-cessive growth is therefore to l)ring thebearing surface of the foot out of properrelation to the leg, and all overgrown feet afford a disadvantageouspo.sition for the horse standing or moving. When a horse is shod hishoof continues growing, and if the shoe be retained too long, the hoofgets disproportionate, and may cause either stumbling or injury to thetendons. The angle at which the front of the wall slojjes is a usefulguide to the proportions of the hoof It .should be about 45 degrees.When the toe is too long the wall slopes too much, when the heels are toohigh the front of the wall is too upright (fig. 631). The wall is thickerat the toe than at the heels, and as this variation is gradual from frontto back, so nails may be driven into it with less danger towards thetoe. The wall does not vary in thickness vertically, so a good workmanmay safely drive a nail to any reasonable height in its substance. The
Text Appearing After Image:
Fig. 624.—Normal Foot; front view,showing slopes of (a) outer wall and(B) inner wall 434 HORSESHOEING outer layer of the wall is the hardest, and thus most cai)al)le of resistingwear. It jirotects the deeper layers, and by preventing evaporation keepsthem tough and pliant. The evil of rasping is that the exi)0sed horn soonbecomes hard, and a repetition or excess of the process renders the hoofbrittle. When the under surface of the foot is examined, the sole, frog, and barsare seen. The sole forms the larger portion of tlie Hoor of the hoof. It is con-cave, and firmly attached to the border of the wall. On a smooth, level surface only the outer portionof the sole^that wliicli isimmediately connected withthe wall — takes a directbearing. But the sole sus-tains its share of the weightof the liorse just as an archsupports weight althoughresting only on its abut-ment. The frog is the promi-nent triangular-shaped massof horn situated at the backpart of the under surface ofthe hoof It ex

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