Tout cheval retiré par le vétérinaire de la CAJO ou les vétérinaires officiels est inscrit sur cette liste. Les chevaux peuvent être inscrits sur cette liste pour des raisons de maladie, de santé générale ou d’aptitude à la course.
| Nom du cheval | Race | Ajouté le | Lieu | Retiré le | Official Vet Exam | Work | Qualify | Vet List Type |
|---|---|---|---|---|---|---|---|---|
| Maytheforestbwithu | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Mazikeen | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Meg Fitz | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Mega Finale | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Memories Times Six | Quarter Horse | Ajax Downs | No | X | ||||
| Mercurial | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Mesaround | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Mexican Groove | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Mi Chiamo Stefano | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Mia's Rainbow | Thoroughbred | Fort Erie Racetrack | No | X | ||||
| Miahsolomiah | Thoroughbred | Woodbine Racetrack | Yes | |||||
| Midnight Affair | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Midnight Brew | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Midnight Rawks | Thoroughbred | Fort Erie Racetrack | No | X | ||||
| Mighty Gene | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Mijo | Thoroughbred | Fort Erie Racetrack | Yes | |||||
| Millioninthemaking | Thoroughbred | Fort Erie Racetrack | No | X | ||||
| Milwaukee Saint | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Mint Monster | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Mipiace | Thoroughbred | Fort Erie Racetrack | No | X |