AGCO updates Ontario Thoroughbred and Quarter Horse racing rules
Source: AGCO (Ontario)
Ontario’s AGCO updated its Thoroughbred Rules of Racing and Quarter Horse Appendix, with the changes taking effect on 23 June 2025 for Thoroughbred racing and 14 July for Quarter Horse racing. The rules introduce greater veterinary oversight, closer monitoring of horses leaving the Veterinarians’ List, racing-frequency restrictions and controls on certain therapeutic treatments.
Racetracks, trainers and owners must follow revised welfare requirements on the specified effective dates.