US Distribution of Active Stallions and Mares Bred - 2007
State by Ranking	Mares Bred	Stallions	Avg. Book
Kentucky	21,594	368	58.7
Florida	6,383	253	25.2
California	4,706	323	14.6
Louisiana	4,154	297	14.0
Texas	2,334	316	7.4
New York	2,007	113	17.8
New Mexico	1,986	191	10.4
Oklahoma	1,702	192	8.9
Maryland	1,430	64	22.3
Pennsylvania	1,173	106	11.1
West Virginia	1,034	86	12.0
Washington	900	80	11.3
Illinois	870	101	8.6
Arkansas	594	64	9.3
Indiana	583	80	7.3
Arizona	508	61	8.3
Michigan	430	59	7.3
Iowa	414	39	10.6
New Jersey	392	29	13.5
Oregon	388	58	6.7
Ohio	362	75	4.8
Nebraska	319	33	9.7
Minnesota	314	33	9.5
Colorado	303	54	5.6
Idaho	265	38	7.0
Utah	213	26	8.2
Kansas	152	30	5.1
North Dakota	148	24	6.2
Virginia	147	50	2.9
South Carolina	136	26	5.2
Montana	125	33	3.8
Alabama	108	25	4.3
South Dakota	107	12	8.9
Georgia	104	20	5.2
Tennessee	90	22	4.1
Missouri	70	18	3.9
Mississippi	49	13	3.8
North Carolina	42	13	3.2
Massachusetts	36	10	3.6
Wisconsin	30	8	3.8
Nevada	24	7	3.4
Wyoming	8	5	1.6
New Hampshire	5	2	2.5
Connecticut	1	1	1.0
Delaware	1	1	1.0
Vermont	1	1	1.0
Total	56,742	3,460	16.4
Source: The Jockey Club