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US Distribution of Active Stallions and Mares Bred
For the year: 2003
State by
Ranking
Mares
Bred
Stallions Avg.
Book
Kentucky20,23638852.2
Florida6,74026125.8
California5,87340414.5
Texas3,2894098.0
Louisiana2,84923612.1

New York2,78215917.5
Maryland1,6979218.4
Oklahoma1,6512247.4
New Mexico1,5621709.2
Illinois1,1871209.9

Washington1,16910211.5
West Virginia1,0628612.3
Pennsylvania1,0541218.7
Indiana8761048.4
Ohio6741106.1

Iowa6455312.2
Arkansas585688.6
Arizona578678.6
Michigan533737.3
Colorado510875.9

Virginia470786.0
Oregon438558.0
Nebraska369468.0
Minnesota353399.1
New Jersey331388.7

Idaho318595.4
Montana203464.4
Kansas191335.8
South Carolina158275.9
South Dakota130168.1

Alabama128264.9
Georgia123225.6
Utah123343.6
Missouri122353.5
Tennessee95263.7

Massachusetts93243.9
North Dakota75174.4
North Carolina74203.7
Mississippi73174.3
Wisconsin58153.9

Wyoming35152.3
Nevada21102.1
Maine522.5
Alaska212.0
Rhode Island221.0

Vermont221.0
Delaware111.0
New Hampshire111.0

Total59,5464,04114.7

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

Source: The Jockey Club