Page 267 - The Veterinary Care of the Horse
P. 267

to  heal  and  reduce  the  chances  of  subsequent  rotation  and  sinking.  When  sufficiently

        recovered they can be turned out into a riding arena each day and slowly introduced to short
  VetBooks.ir  periods of controlled in-hand walking.



        Hoof care


        The aim of hoof care is to minimize the strain on the weakened laminae to prevent rotation or
        sinking of the pedal bone. The forces acting on the laminae include:

        •    the weight of the horse
        •    the constant pull of the deep digital flexor tendon

        •    the leverage on the toe of the hoof capsule as the horse walks.



        REMOVAL OF SHOES

        Whether or not the shoes are removed when the condition is first diagnosed depends on the
        severity of  the  case,  the  condition  of the  feet  and  the  judgement of  the  attending  vet  and

        farrier. They are usually left on until the pain is under control. If for any reason the shoes
        have to be removed, this is done carefully to minimize the pain and trauma.



        CORRECTIVE TRIMMING AND SHOEING

        The long-term aim of corrective trimming and shoeing is to improve the blood supply to the
        foot, to restore the normal alignment of the pedal bone and the hoof capsule and to correct

        the  distortion  of  the  hoof  capsule.  Distortion  of  the  hoof  capsule  leads  to  chronic  pain
        because  it  traumatises  the  underlying  sensitive  tissues.  Radiographs  are  important  for

        determining the best way to achieve this and the vet and farrier should work together. Using
        the X-rays as a guide, the farrier is likely to:
        •    shorten long toes to reduce the forces on the laminae during breakover

        •    rasp back the front of the hoof wall and the sole near the toe to relieve pressure on the

             blood vessels
        •    remove excessive heel growth in animals with chronic laminitis

        •    fit special shoes where required to support the frog or the whole of the back part of the

             foot
        •    if necessary, the heel will be raised to reduce the tension of the deep digital flexor tendon

             on the pedal bone.



        The corrective trimming is done in stages over several months. Trimming is usually carried
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