The following are some facts about Barbaro's surgery and road to recovery.

Surgery

— A five-hour operation on Kentucky Derby winner Barbaro's broken leg

— Surgery repaired three bones shattered in his right rear leg

Where

— University of Pennsylvania's New Bolton Center for Large Animals

Surgeon

— Dr. Dean Richardson

Recovery

— Richardson says Barbaro will never race again and chances for survival are still 50-50.

— He expects the horse to remain at the center for at least several weeks.

Danger

— Circulation problems and deadly disease can arise if horses are unable to distribute weight on all fours.

Injured

— At the Preakness Stakes in Baltimore