The spectacular Derby winner suffered a severe overreach to his near-fore fetlock during exercise at Chantilly on Thursday.
Rumours had circulated about Pour Moi’s well-being since Friday night and on Saturday morning leading bookmakers began to remove him from their betting on the end-of-season Longchamp showpiece.
Pour Moi’s trainer, Andre Fabre, said on Saturday: “As we saw in his last two races, he had the most fantastic turn of foot. Obviously he was one of the best I have had.”
So You Think, Workforce, Nathaniel and Sarafina were among horses at the head of the market for the Arc as layers removed Pour Moi from their lists, but no clear favourite has yet emerged.
Jockey Mickael Barzalona, who rode Pour Moi for four of his five starts and for all three of his wins, said: “It's a big disappointment and very unfortunate, but I wish him well in his retirement.
“He gave me my biggest moment, and there could have been more to come, but I was thrilled to have been part of such a big event, and I will have great memories of him.”
* AIDAN O’Brien’s St Nicholas Abbey is set to have his next start in the Prix Foy at Longchamp on September 11.
Winner of the Coronation Cup at Epsom in June, the four-year-old was last seen finishing third in the King George VI And Queen Elizabeth Stakes at Ascot behind Nathaniel and Workforce.
The Longchamp race is a recognised trial for the Prix de l’Arc de Triomphe, for which St Nicholas Abbey is a best-priced 20-1 chance following the retirement of Pour Moi.
Irish 2000 Guineas winner Roderic O’Connor could join So You Think in the Red Mills Irish Champion Stakes at Leopardstown on Saturday, and Misty For Me and Together could run in the Matron Stakes on the same card.
* DUBAWI GOLD proved a stunning deputy for Strong Suit when seizing top honours in the Betfair Celebration Mile at Goodwood on Saturday.
It did not feel like a terrific renewal of the Group Two race, and it looked booked for a surprise winner in Set The Trend with a furlong remaining until Richard Hughes dealt another of his typical hold-up flourishes.
Like Canford Cliffs, Dubawi Gold (3-1) had also fallen victim to Frankel, when a distant second to the supreme colt in the 2000 Guineas, and Hannon felt Hughes’ exaggerated waiting tactics had cost him a compensatory Classic victory in the Irish version.
He was disappointing on his comeback in the Hungerford Stakes at Newbury, but there was no need for Hannon to worry this time as the pair scampered past nearly every rival in the final furlong to win by half a length.
Dubawi Gold became the fourth three-year-old in a row to claim the honours, while last year’s winner and 15-8 favourite Poet’s Voice was last of the seven, further disgracing himself by attempting to bite Beacon Lodge in the final stages..
Hughes proved he is certainly no one-trick pony with a deft front-running ride aboard Libranno in the Supreme Stakes at Goodwood yesterday.
The jockey needed to administer more affirmative handling for Libranno and quickly assumed command of the Group Three field.
In the home straight, though, he looked like an open target for Jacqueline Quest, and Hughes believed his mount was briefly overtaken by last year’s disqualified 1000 Guineas winner, but Libranno (7-2) battled back to finish a short-head up.