Jockey Club Fact Book

The Jockey Club's Online Fact Book includes two new pages to its breeding section with the addition of the Number of Unique Sires by Position in the Pedigree Top Line and Percent of Mares Bred Categorized by Stallion Book Size, the organization said in a release Thursday. The first table reflects the number of unique sires by position within the top line of the pedigree and enables users to drill down by year and generation. Those links provide stallion names and the number of registered Thoroughbreds for that generation's sires...

The Jockey Club of America's 2023 edition of the Fact Book is available in the Resources section of their website, the organization said in a release Thursday. A statistical and informational guide to Thoroughbred breeding, racing and auction sales in North America which is updated quarterly, the Fact Book also features a directory of Canadian, international, national and state organizations. Links to the Breeding Statistics report that is released by The Jockey Club each September and the Report of Mares Bred information that is published each October can be found...