Three-year-old Flying Artie will not run in the Newmarket Handicap with mucus detected in a scope.
His Mick Price-trained stablemate Extreme Choice will now take his place in Saturday’s field for the 1200m-sprint at Flemington.
Hong Kong’s champion jockey Joao Moreira, who was booked for Flying Artie, will now ride Extreme Choice.
Flying Artie was the $6.50 second favourite in betting with Sportsbet.com.au.