Kip Deville, the 2007 Breeders' Cup Mile winner, was euthanized Friday after a series of health issues, according to Bloodhorse.com.
The 7-year-old horse had suffered from laminitis and several recent bouts of colic. He died at Rood and Riddle Equine Hospital in Lexington.
Kip Deville underwent colic surgery twice last year before developing laminitis in both front feet, according to Bloodhorse.
The horse had been improving earlier this year, and his connections had hoped he would recover from his health problems.
"It had been under control, but with laminitis, no one knows what under control is," IEAH Stables president Michael Iavarone told Bloodhorse. "It's such a disastrous situation with laminitis; you think it's going in the right direction, but it can change so quickly. This tears the heart out of me; it kills me. He had no earnings potential as a stallion; we kept him alive for so long because he wanted to be alive and he deserved every chance. He fought hard every step of the way."
Kip Deville won 12 times in 30 lifetime starts and had career earnings of $3,325,489. He finished second to Goldikova in the 2008 Breeders' Cup Mile after winning that race the year before.