Grandouet out to 8/1 for Champion
Grandouet was pushed out to a best of 8/1 for the Champion Hurdle on Tuesday after it was announced the horse could miss Saturday's prep race.
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Nicky Henderson's charge had been second favourite for next month's Cheltenham Festival showdown but was initially taken out of the market as rumours circulated before being put back in at 8s with Ladbrokes. They had offered 5/1 earlier in the day.
Henderson confirmed that the horse had a filling in his near fore and admitted the procedure could see him miss his intended run at Wincanton.
But he stressed: "This problem does not jeopardise his participation or prospects as far as the Champion Hurdle is concerned.
There is no damage to any bone, tendon or ligament and he is 100 per cent sound.''
Grandouet missed last year's Champion Hurdle with an infected fetlock joint.
In the market revamp, Hurricane Fly hardened as favourite with Paddy Power left offering a standout 7/4.
Zarkandar and defending champion Rock On Ruby were also moved in.
The move came just hours after another well-fancied Festival horse, Flemenstar, was declared "very unlikely" to run by his trainer.
Peter Casey revealed that his star horse, beaten at Leopardstown at the weekend, had a lung infection.
He said: "He's going to be all right in the long term, but I would say Cheltenham is very unlikely now.
"The jockey (Andrew Lynch) thought something was wrong on Saturday and it looks like he was right.
"We'll probably look at Aintree now."
With Flemenstar taken out of the market by most firms, Cue Card is the new market leader for the Ryanair Chase at a best of 11/2 (William Hill).
Flemenstar also holds an entry for the Queen Mother Champion Chase and news of his problem has simply seen hot favourite Sprinter Sacre harden further.
Sprinter Sacre, another Henderson star, is now no better than 1/3 (general).