Les chevaux placés sur la liste des vétérinaires de la Commission sont inadmissibles aux courses ou à l’inscription jusqu’à ce qu’ils soient retirés de la liste, comme le précisent les chapitres 8 et 20 des Règles sur les courses de chevaux standardbred de la CAJO et le chapitre 27 des Règles sur les courses de chevaux thoroughbred.
| Nom du cheval | Race | Ajouté le | Lieu | Retiré le | Official Vet Exam | Work | Qualify | Vet List Type |
|---|---|---|---|---|---|---|---|---|
| MANON | Standardbred | Mohawk Park | Yes | X | Long List | |||
| Marjorie's Dream | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Marriage Counselor | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Martina's Gals | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Mary Sue Weloveyou | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Master Connor | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Maximum Perfection | Thoroughbred | Woodbine Racetrack | No | X | ||||
| 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 | ||||
| Miah Said | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Miahsolomiah | Thoroughbred | Woodbine Racetrack | Yes | |||||
| Midnight Affair | Thoroughbred | Woodbine Racetrack | Yes | X |