The quarantine on two barns at Gulfstream Park imposed after a horse died from unknown circumstances Tuesday night at the track has been lifted after tests for Equine herpesvirus type 1 came back negative, according to Dr. Dionne Benson, the Chief Veterinary Officer for The Stronach Group. The the quarantine prompted a number of scratches on the Wednesday card. Benson said that a filly had gotten loose on the track yesterday morning, and run back to the barn area, entering a barn that was not hers. She was walked back...