Kingston Hill will still target the Prix de l’Arc de Triomphe despite Roger Varian confirming he is struggling with an injury.
Kingston Hill impressed by winning the Ladbrokes St Leger in September last year but has seen his campaign halted by injury.
The three-year-old was being prepared for the Arc, where he finished fourth last year, but will now have to go through a recovery process.
Varian believes that Kingston Hill still has every chance of getting fit in time but admitted the setback has disrupted their plans.
Varian said: “Kingston Hill will miss the first half of the season due to a setback.
“He has sustained a superficial injury to his left fore. He is sound but sore.
“He has an area of significant bruising and inflammation which will take time to settle.
“It goes without saying that this is an early-season blow as he looks so well and has been training better than ever.
“We will now target the top middle-distance races later in the season with all roads leading back to Longchamp in October for another crack at the Prix de l’Arc de Triomphe.”