Jockey Patrick Keane has suffered a punctured lung in a two-horse fall at Sandown while Jake Bayliss has escaped relatively unscathed..
As Michelle Payne makes a low-key return to trackwork, the fall in which she suffered a serious injury has been declared an accident.
Mahuta is the early favourite to win the Bletchingly Stakes at Caulfield, the final Group race of the Australian racing season.
Apprentice Jake Bayliss and senior rider Patrick Keane have been taken to the Alfred Hospital following a fall at Sandown.
Trainer Chris Waller's two winners at Canterbury have edged him closer to breaking his own Sydney training record.