never entered for a race, and more than 80% were no longer in training after four years. Foal production has increased threefold since 1966. Racehorses are capable of living for more than 30 years. See also Horse racing in Ireland Horse racing in Scotland Horse racing in Wales List of significant families in British horse racing British flat racing Champion Jockey British jump racing Champion Jockey References Bibliography External links Organisations British Horseracing Authority The Jockey Club Weatherbys The Racecourse Association The Racehorse Owners Association The Jockeys Association of Great Britain The Amateur Jockeys Association of Great Britain National Trainers Federation Thoroughbred Breeders' Association Retraining of Racehorses Website UK Horse Racing Forum & Website Media BBC horseracing coverage The Racing Post Sporting Life