Barbaro’s vital signs, appetite and heart rate remained normal Monday, though there was no indication the classic winner’s condition has improved since a grim prognosis by his veterinarian last week.

The colt, who had 80% of his left rear hoof wall removed last week, still faces the same tough odds to survive a severe case of laminitis and a reconstructed right hind leg.

For the fourth straight day, Dr. Dean Richardson said the condition of the Kentucky Derby winner remained stable.

“He had a restful night last night,” Richardson said Monday on “Good Morning America.” “That’s really how we’re assessing him each night as whether or not he gets up and down and sleeps well and then when he gets up that he eats normally. His vital signs are all good. He had a very good night last night. His heart rate is absolutely normal. He’s eating well. If you were to see him, you’d think he’s a fairly comfortable, happy horse. But his pain is being intensively managed