KENNETT SQUARE, PA – After evaluating Kentucky Derby winner Barbaro this morning, Dr. Dean Richardson, Chief of Surgery, replaced the cast on the colt’s injured hind leg for a sixth time. “The long leg cast was replaced with a short leg cast this morning. This was done with Barbaro in a sling and only under mild sedation,” said Dr. Richardson. “The long cast was used as extra support during the anesthetic recovery phase. It is much easier for him to move around his stall and get up and down with a short cast. We also found and treated an abscess...