A racehorse is led through the Veliefendi equine hospital compound in Istanbul March 20, 2015. A state-of-the-art hospital for hundreds of horses run by the Jockey Club of Turkey at Istanbul's Veliefendi racecourse is the country's oldest and biggest. Grooms and trainers at the equine clinic work with vets and nurses while owners hope their prize runners, often worth hundreds of thousands of dollars, will recover quickly and then run faster still. (Photo by Murad Sezer/Reuters)

A racehorse stands before being X-rayed at Veliefendi equine hospital in Istanbul March 20, 2015. (Photo by Murad Sezer/Reuters)

Grooms chat as they wait with a racehorse for a medical check at Veliefendi equine hospital in Istanbul March 11, 2015. (Photo by Murad Sezer/Reuters)

An X-ray is taken of a racehorse's leg at Veliefendi equine hospital in Istanbul March 27, 2015. (Photo by Murad Sezer/Reuters)

Head of veterinary surgery Hulya Hartoka (R) points at an X-ray of a racehorse as she speaks to the owner at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

The progress of a racehorse is monitored following an operation at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

A racehorse waits for an an anaesthetic in the induction and recovery box as a veterinarian (R) prepares for an operation at Veliefendi equine hospital in Istanbul March 4, 2015. (Photo by Murad Sezer/Reuters)

Head veterinary surgeon Hulya Hartoka (R) and veterinary surgeon Dursun Dogan (C) are helped by veterinary technician Gokhan Boyraz as they get ready for arthroscopic surgery to remove bone fragments from a racehorse at Veliefendi equine hospital in Istanbul April 6, 2015. (Photo by Murad Sezer/Reuters)

A racehorse, escorted by its groom, waits for an anaesthetic in the induction and recovery box at Veliefendi equine hospital in Istanbul March 4, 2015. (Photo by Murad Sezer/Reuters)

A racehorse is escorted by its grooms as it waits for an anaesthetic in the induction and recovery box at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

A racehorse loses consciousness after being anaesthetised in the induction and recovery box at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

A racehorse is hoisted up before its operation at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

A racehorse inhales an anaesthetic during an operation at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

Head veterinary surgeon Hulya Hartoka (L) cleans up a racehorse's joint during the removal of bone fragments at Veliefendi equine hospital in Istanbul March 4, 2015. (Photo by Murad Sezer/Reuters)

A veterinarian (L) monitors a horse undergoing surgery on a fractured leg at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

Veterinary technician Gokhan Boyraz shaves a racehorse's leg as he prepares it for keyhole surgery to remove bone fragments at Veliefendi equine hospital in Istanbul March 3, 2015. (Photo by Murad Sezer/Reuters)

A racehorse undergoes castration at Veliefendi equine hospital in Istanbul March 30, 2015. (Photo by Murad Sezer/Reuters)

A racehorse begins to lose consciousness following an anaesthetic at Veliefendi equine hospital in Istanbul April 6, 2015. (Photo by Murad Sezer/Reuters)

A racehorse is hoisted up before its operation at Veliefendi equine hospital in Istanbul April 6, 2015. (Photo by Murad Sezer/Reuters)

A racehorse begins to lose consciousness following an anaesthetic in the induction and recovery box at Veliefendi equine hospital in Istanbul April 6, 2015. (Photo by Murad Sezer/Reuters)

A racehorse is hoisted up ahead of its operation at Veliefendi equine hospital in Istanbul Istanbul April 6, 2015. (Photo by Murad Sezer/Reuters)

Head veterinary surgeon Hulya Hartoka (L) and veterinary surgeon Dursun Dogan bandage the leg of a racehorse following keyhole surgery to remove bone fragments at Veliefendi equine hospital in Istanbul April 6, 2015. (Photo by Murad Sezer/Reuters)

Head veterinary surgeon Hulya Hartoka stitches the leg of a race horse following keyhole surgery to remove bone fragments at Veliefendi equine hospital in Istanbul April 6, 2015. (Photo by Murad Sezer/Reuters)

Veterinary technicians perform shockwave physiotherapy on a racehorse at Veliefendi equine hospital in Istanbul March 17, 2015. (Photo by Murad Sezer/Reuters)

A racehorse is escorted by its groom during treatment at Veliefendi equine hospital in Istanbul March 17, 2015. (Photo by Murad Sezer/Reuters)