Sean and Dorothy Fitzhenry's popular homebred gelding was pulled up in a workout and was deemed to have an injury to his pelvis.
A deadly neurological strain of the Equine Herpes Virus-1 hit Cole Bennett's horses at Woodbine and the farm where he boards his horses.
Winnipeg track receives a small percentage of lofty wagering totals as betting is done through Woodbine's HorsePlayer Interactive.
Alberta-bred mare first horse to win Horse of the Year and Alberta-bred HOY in a decade; she was bred by Pierre Esquirol.
Re-testing and containment measures are key to containing the recent neuropathogenic EHV-1 outbreak at Woodbine Racetrack.
Assiniboia's CEO Darren Dunn understandably pleased that racing has started, although there is still plenty of missing revenue.
Field size could be light to begin the 39-day meeting which will race over the 123-year-old track on Mondays and Tuesdays at 1:20 p.m.
Two horses trained by Hall of Fame trainer Bob Baffert, including Kentucky Derby favourite Charlatan, have tested positive for a banned substance.
Horse racing-starved Canadians bet six races at Winnipeg track with enthusiasm, boosting the total wagering 340% from opening day a year ago.
The 2019 Preakness Stakes winner is back on the grass and in California for his first run as a 4-year-old for trainer Mark Casse.