G   back to resource centre home   Greasy Heel/Mud Fever/Thrush By Horse SA www.horsesa.asn.au and the Mount Lofty Ranges Catchment Program Infections of hooves and legs result if animals are kept in mud. Symptoms: Swelling in the heel, crusty lesions around heel and leg, deep cracks in hoof, foul smelling discharge from ‘frog’. What to do: Remove horse to a dry yard or paddock, contact your veterinarian, treat infection, talk to your farrier about hoof care. Land management: Keep horses out of waterlogged areas, make use of yards and electric tape, improve pastures, avoid overgrazing. Greasy Heel