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 |
|---|---|---|---|---|---|---|---|---|
| MACHIN A TRICK | Standardbred | Flamboro Downs | Yes | X | Long List | |||
| Machisima | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Machito | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Macho Dancer | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Madam Premier | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Magic Gamble | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Magic Skys | Thoroughbred | Fort Erie Racetrack | No | X | ||||
| Magical Tale | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Majestic Melody | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| MAJOR CUSTARD | Standardbred | Mohawk Park | Yes | X | Long List | |||
| Malibu Uproar | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Maliciosa | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| MALOUCIOUS | Standardbred | Mohawk Park | Yes | X | Long List | |||
| Mamma Katz | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Manalucius | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| MANON | Standardbred | Mohawk Park | Yes | X | Long List | |||
| Marjorie's Dream | Thoroughbred | Woodbine Racetrack | Yes | 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 |