On the approach road from Clonmel to the picturesque village of Rosegreen, in the heart of horse and greyhound country, the first sign of equine enterprise comes from a distant view of the white running rails lining just one of the gallops in the world-famous thoroughbred base in Ballydoyle.

Aidan O’Brien is likely to develop a clearer understanding of his Investec Derby pecking order at Leopardstown tomorrow.

Richard Hannon’s Ventura Storm will take on the might of Ballydoyle in Leopardstown’s Derrinstown Stud Derby Trial on Sunday.

Idaho, a full-brother to Grade 1 winner Highland Reel, looked the class-act at the Curragh yesterday as the curtain fell on the 2015 season at headquarters.