Henry de Bromhead will be without his stable jockey Rachael Blackmore for the coming weeks.
The Gold Cup and Grand National winning jockey suffered a heavy fall on Friday when riding for de Bromhead at Downpatrick.
Blackmore fell from her mount Hand Over Fist when leading two fences from the finish and sustained a neck injury.
The IHRB have confirmed that Blackmore will not ride in the coming weeks while she undergoes rehabilitation for her injury.
Gary Carroll and Shane Foley will take up rides for de Bromhead today on day three of the Harvest Festival at Listowel.
The first of seven races goes to post at 2pm.
Darragh O'Keeffe and Mikey O'Connor will ride for the Knockeen handler in tomorrow's Kerry National.
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