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                                                                                                11






                                                                                                   CHAPTER

             Foot Care and Farriery




             BASIC FOOT CARE



                                                                 Stephen e. O’Grady



             INTRODUCTION                                        that can be applied to each foot on an individual basis. Farriery
                                                                 assumes the dominant role in maintaining the health of
               The equine foot is unique in that it is a biological entity   the foot and preserving the integrity of its structures. 6
             (hoof structures) that follows the laws of physics (biome­  The hoof care provided by the farrier depends on that
             chanics). Biomechanics is the study of the mechanics of a   individual’s knowledge, training, experience, and skill level.
             biological structure, and it is essential that the veterinarian   Because the equine veterinarian is responsible for the over­
             and the farrier have a working knowledge of the foot’s   all soundness of the horse, a working knowledge of farriery
               biomechanics to implement appropriate farriery. 3,5,7  Proper   is essential. A thorough knowledge of traditional horse­
             farriery promotes a healthy, functional foot, provides   shoeing enables the veterinarian to interact with the farrier
               biomechanical efficiency, and prevents lameness. 6  at the farrier’s level, which ultimately enhances the profes­
               The structures of the hoof complex comprise the hoof   sional relationship and promotes quality hoof care. 2,4,6  This
             capsule, sole, frog, digital cushion, ungual cartilages,   chapter focuses on basic, fundamental farriery: evaluation
             and deep digital flexor tendon (DDFT). The equine foot   of the foot, foot trimming and preparation, shoeing princi­
             has numerous functions: supporting the weight of the   ples, and farriery for common hoof disorders.
             horse, dissipating the energy of impact as the foot strikes   For clarity in this discussion, the hoof is defined as
             the ground, protecting the structures contained within   encompassing the distal end of the middle phalanx, the
             the hoof capsule, and traction.                     hoof capsule, and structures within the hoof capsule. The
               The veterinary and farrier literature often describes the   digit refers to the limb distal to the metacarpophalangeal/
             “normal” foot. However, the concept of normal may be   metatarsophalangeal (fetlock) joint.
             misleading because it does not consider genetics, breed, foot
             conformation, environmental influences, and the athletic
             pursuits of the individual horse. Thus, the terms good, ideal,   EVALUATION OF THE FOOT
             healthy, and functional foot may be more appropriate
             (Figure 11.1), because they describe a foot that comprises:  Before any type of foot care or farriery is initiated, the
                                                                 hoof  and  digit  should  be  visually  evaluated, and the
             1.  A thick hoof wall                                 observations recorded mentally or as a written record.
             2.  Adequate sole depth (thickness)                 Many of the smartphones or tablets are ideal for recording
             3.  Solid heel base                                 this evaluation and can then be stored as part of the horse’s
             4.  Growth rings below the coronet that are of equal size   permanent record. This evaluation should begin with the
                at the toe and heel
             5.  Acceptable foot conformation                    horse in the static position on a firm, flat surface and then
                                                                 in motion in a straight line, again on a flat firm surface.
               Farriery (trimming and shoeing) affects not only the
             external hoof capsule but also the internal structures of
             the foot. Often trimming and shoeing methods are based   Static Observation
             on theoretical assumptions and aesthetic decisions derived   With the horse standing still and viewed from the lat­
             from empiric experience rather than consistent guidelines   eral side, the hoof‐pastern axis (HPA) should form a


             Adams and Stashak’s Lameness in Horses, Seventh Edition. Edited by Gary M. Baxter.
             © 2020 John Wiley & Sons, Inc. Published 2020 by John Wiley & Sons, Inc.
             Companion website: www.wiley.com/go/baxter/lameness
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