Table 1.

Average space (bp), Linkage Disequilibrium ( r ² ) and standard deviation (s.d.) between adjacent single nucleotide polymorphisms (SNPs) on each chromosome (OAR) in the Sicilian sheep breeds

	VDB		COM		PIN
OAR	Average space	r 2  ± s.d.	Average space	r 2  ± s.d.	Average space	r 2  ± s.d.
1	60,381	0.162 ± 0.205	60,211	0.161 ± 0.213	58,874	0.132 ± 0.190
2	56,594	0.182 ± 0.229	57,023	0.189 ± 0.237	55,298	0.148 ± 0.208
3	57,120	0.170 ± 0.217	56,744	0.172 ± 0.224	55,389	0.140 ± 0.198
4	55,435	0.171 ± 0.219	54,484	0.164 ± 0.216	53,770	0.139 ± 0.200
5	57,306	0.150 ± 0.199	57,292	0.154 ± 0.205	55,749	0.127 ± 0.188
6	57,242	0.158 ± 0.204	57,138	0.165 ± 0.216	55,381	0.131 ± 0.188
7	56,080	0.151 ± 0.200	56,256	0.158 ± 0.209	55,645	0.137 ± 0.194
8	54,964	0.164 ± 0.211	54,444	0.155 ± 0.206	54,142	0.133 ± 0.192
9	55,391	0.167 ± 0.218	54,938	0.170 ± 0.222	53,755	0.137 ± 0.196
10	57,388	0.168 ± 0.224	56,578	0.179 ± 0.230	56,003	0.148 ± 0.217
11	68,228	0.155 ± 0.198	66,998	0.155 ± 0.208	65,042	0.118 ± 0.177
12	58,985	0.165 ± 0.210	58,205	0.157 ± 0.207	57,224	0.131 ± 0.190
13	61,411	0.151 ± 0.204	60,698	0.170 ± 0.219	60,245	0.133 ± 0.197
14	67,767	0.133 ± 0.187	67,759	0.134 ± 0.188	67,623	0.114 ± 0.182
15	61,225	0.149 ± 0.202	61,225	0.153 ± 0.209	59,525	0.129 ± 0.189
16	57,537	0.149 ± 0.199	58,498	0.157 ± 0.212	56,483	0.124 ± 0.184
17	65,423	0.155 ± 0.208	64,034	0.152 ± 0.208	62,553	0.125 ± 0.191
18	60,008	0.149 ± 0.200	59,676	0.156 ± 0.205	59,039	0.128 ± 0.191
19	60,499	0.156 ± 0.213	61,012	0.167 ± 0.217	59,829	0.139 ± 0.201
20	57,307	0.150 ± 0.197	57,482	0.138 ± 0.187	56,644	0.117 ± 0.168
21	69,546	0.152 ± 0.206	68,146	0.151 ± 0.205	68,551	0.124 ± 0.175
22	57,485	0.154 ± 0.204	57,852	0.155 ± 0.209	56,128	0.125 ± 0.192
23	69,395	0.156 ± 0.193	68,358	0.140 ± 0.189	67,233	0.107 ± 0.164
24	71,118	0.134 ± 0.184	71,232	0.134 ± 0.187	70,438	0.108 ± 0.168
25	55,503	0.141 ± 0.190	56,750	0.142 ± 0.202	54,932	0.116 ± 0.183
26	61,598	0.143 ± 0.190	62,022	0.137 ± 0.178	59,862	0.116 ± 0.171
mean	60,421	0.155 ± 0.204	60,194	0.156 ± 0.208	59,062	0.128 ± 0.188

Valle del Belice (VDB), Comisana (COM) and Pinzirita (PIN) sheep breeds.