Buyers bid up big during the Nutrien Supreme Birthday Bonanza Sale last week.
The numerous jockeys will feature on racetracks each week - and those who have passed away - will be remembered on August 1.
Jockey Graham Kliese spent more than two years away from riding with a badly broken leg but is on the comeback trail.
Dual licensee Jason Babarovich will ride three of the horses he trains in races in Barcaldine on June 13.
Restrictions limiting participants to their allocated racing regions will be lifted immediately, allowing them to compete across the state.
French Hussler is defying his age to race competitively and connections believe he will feature in a Longreach race on May 30.
Kate Patch will have her second day at the races as an apprentice for the Wayne Baker stable in Roma on May 23.