Fact Book Index printer friendly version
US DISTRIBUTION OF ACTIVE STALLIONS AND MARES BRED

(Current through 3/25/2024)

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  2021 2022 2023
State by 2023
Ranking
Mares
Bred
Stallions Avg.
Book
Mares
Bred
Stallions Avg.
Book
Mares
Bred
Stallions Avg.
Book

Kentucky16,80021179.616,83821179.8 17,02620383.9
California1,96413414.71,88111416.5 1,6269317.5
Florida1,6258319.61,5438318.6 1,4636223.6
New York9553924.59924621.6 1,0843729.3
Louisiana9537712.49456614.3 8686413.6

Maryland7802630.07442628.6 5662522.6
New Mexico478677.1441587.6 439469.5
Indiana4884710.45304611.5 4274110.4
Pennsylvania5724114.04503413.2 4022615.5
Oklahoma551717.8504657.8 392458.7

West Virginia3893411.4375389.9 3783211.8
Texas443805.5383695.6 375517.4
Arkansas401449.1314359.0 301339.1
Ohio394557.2379507.6 275397.1
Arizona100147.11401410.0 1241111.3

Washington136187.6105176.2 97118.8
Iowa85108.5103812.9 8399.2
Oregon74135.769135.3 77117.0
Nebraska106195.698166.1 7097.8
North Dakota61134.757105.7 6178.7

Illinois100244.296253.8 48114.4
Wyoming51163.254163.4 3193.4
South Carolina3548.82947.3 30130.0
Minnesota4175.91635.3 27127.0
New Jersey5586.92163.5 2646.5

Virginia2082.51682.0 2363.8
Michigan31103.12473.4 2154.2
Colorado49153.334132.6 2192.3
Tennessee1963.21863.0 1672.3
Alabama1472.01042.5 1562.5

Utah951.81972.7 1133.7
Montana961.52072.9 942.3
Idaho212.0942.3 723.5
South Dakota641.5531.7 522.5
Kansas1844.51844.5 414.0

Massachusetts212.0111.0 212.0
Mississippi000.0111.0 212.0
Georgia321.5632.0 111.0
Missouri541.3221.0 111.0
Hawaii000.0000.0 000.0

New Hampshire000.0000.0 000.0
Wisconsin221.0000.0 000.0
Maine000.0000.0 000.0
North Carolina221.0414.0 000.0
Vermont000.0000.0 000.0

Alaska000.0000.0 000.0
Connecticut000.0000.0 000.0
Delaware000.0000.0 000.0
Nevada111.0000.0 000.0
Rhode Island000.0000.0 000.0

TOTALS 27,8291,23322.627,2941,14423.926,43493028.4

 

States ranked by number of mares bred. Mares bred to two stallions in the same breeding season are counted twice.

Source: The Jockey Club