Jockey Michelle Payne's condition remains "serious but stable" a week after a fall in Australia.
Godolphin filly Skiffle will run in the Oaks after being supplemented for the Classic at Epsom at a cost of £30,000.
Pioneering jockey Michelle Payne will miss the Shergar Cup at Ascot in August after having abdomen surgery following a fall.
Trainer Jim Best, who was given a four-year ban, will have his case reheard after the BHA issues an apology.
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