On the famed Whitsbury gallops, as corn buntings and stonechats fluttered from the fence posts, a dozen of Marcus Tregoning’s team were stretching nicely. The sun reflected from the chestnut flanks of the filly Viva Bella. The handsome head of Moghram, a muscular Sir Percy colt owned by Hamdan Al Maktoum, stood out against the blue sky above the lush downland where horses have galloped since the 1880s.