US Distribution of Active Stallions and Mares Bred - 2008
State by Ranking	Mares Bred	Stallions	Avg. Book
Kentucky	21,188	355	59.7
Florida	5,427	245	22.2
California	4,090	284	14.4
Louisiana	4,016	304	13.2
Texas	2,098	284	7.4
New York	1,902	107	17.8
Oklahoma	1,690	200	8.5
New Mexico	1,685	183	9.2
Pennsylvania	1,412	119	11.9
Maryland	1,209	51	23.7
West Virginia	893	89	10.0
Indiana	762	88	8.7
Washington	755	60	12.6
Illinois	739	96	7.7
Arkansas	530	51	10.4
Arizona	426	58	7.3
Michigan	407	53	7.7
Iowa	335	30	11.2
Minnesota	311	35	8.9
Oregon	290	43	6.7
New Jersey	280	30	9.3
Colorado	275	49	5.6
Nebraska	255	27	9.4
Ohio	242	51	4.7
Kansas	222	33	6.7
Idaho	187	36	5.2
South Carolina	147	29	5.1
North Dakota	141	20	7.1
Virginia	141	52	2.7
South Dakota	119	15	7.9
Montana	115	31	3.7
Utah	102	20	5.1
Alabama	76	22	3.5
Tennessee	73	17	4.3
Georgia	58	14	4.1
Massachusetts	54	12	4.5
North Carolina	47	12	3.9
Mississippi	32	11	2.9
Missouri	30	13	2.3
Wisconsin	19	3	6.3
Wyoming	12	6	2.0
Nevada	9	4	2.3
Delaware	7	1	7.0
New Hampshire	2	1	2.0
Connecticut	1	1	1.0
Total	52,811	3,245	16.3
Source: The Jockey Club