Classic winner Barbaro spent another “comfortable” day in the intensive care unit at the George D. Widener Hospital for Large Animals, and his veterinarian reports the colt’s attitude “remains positive.”

There was no indication condition of the winner of the Kentucky Derby had improved since 80% of his left rear hoof wall was removed Wednesday to combat the often-fatal disease laminitis. For the third straight day, though, Dr. Dean Richardson said the colt’s condition remained stable.

“His vital signs are good and his attitude remains positive,” Richardson in a statement released by the University of Pennsylvania’s New Bolton Center. “He is acceptably comfortable today, and his appetite remains excellent.”

Barbaro had another restful night, Richardson said Sunday, and assistant trainer Peter Brette emerged after a morning visit and said the colt “is in a good frame of mind