Home Racehorses Racehorses Positive dope tests in racehorses traced to feed Incidences of racehorse feed becoming tainted with morphine have spurred feed manufacturers and the Horseracing Authority into taking action to prevent it from happening in the future Legendary racehorse trainer Michael Dickinson has retired Michael Dickinson, the now US-based trainer responsible for the first five horses home in the 1983 Cheltenham Gold Cup, has retired Win a free share in a racehorse Don't miss your chance to become a racehorse owner in 2007 in the Mark Tompkins Five To Follow competition, sponsored by Horse & Hound Online < Previous