From The Jockey Club
LEXINGTON, Ky. (Oct. 25, 2021) — The Jockey Club today released Report of Mares Bred (RMB) statistics for the 2021 breeding season that showed a 4.4% increase for California over 2020. The 2021 total of mares bred in California was 1,843, placing the state second in the nation behind only Kentucky.
Based on RMBs received through October 18, 2021, The Jockey Club reports that 1,016 stallions covered 27,829 mares in North America during 2021.
The Jockey Club estimates an additional 2,500 to 3,500 mares will be reported as bred during the 2021 breeding season.
RMB statistics for all reported stallions in 2021 are available through the Fact Book section of The Jockey Club’s website at jockeyclub.com.
Of the top 10 states and provinces by number of mares reported bred in 2021, stallions in Kentucky, California, Ontario, and Indiana covered more mares in 2021 than in 2020, as reported at this time last year.