Jockey Club Makes Online Fact Book Additions

Dirt Racing | Sarah Andrew

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 on the top sire line pedigree for the registered foals of the specific year.

The other addition to the Fact Book displays breeding statistics and how the number of stallions and mares have changed over time based on stallion book size.

“As the Thoroughbred breed registry for the United States, Canada, and Puerto Rico, The Jockey Club strives to provide statistics that are valuable and that help shine a light on what is happening in our industry, especially with respect to breeding,” said Matt Iuliano, executive vice president and executive director of The Jockey Club.

Click here to access the 2023 edition of the Fact Book.

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