Estimation of linkage disequilibrium in four US pig breeds

BMC Genomics

Table 2 Average r² between adjacent SNP for sparse marker panels

% of SNP kept¹	Duroc		Hampshire		Landrace		Yorkshire
	average r²²	average distance in kb²	average r²²	average distance in kb ³	average r²²	average distance in kb ³	average r²²	average distance in kb ³
50%	0.40	141	0.37	148	0.30	120	0.34	123
25%	0.34	281	0.31	296	0.25	239	0.28	246
10%	0.25	703	0.23	740	0.20	597	0.21	613
2%	0.10	3,507	0.11	3,693	0.09	2,978	0.09	3,056
1%	0.05	7,026	0.06	7,399	0.05	5,963	0.05	6,127
0.5%	0.02	14,120	0.04	14,872	0.03	11,977	0.02	12,313

¹Percentage of SNP included in the current set of markers
²Average r² for SNP with adjacent map positions for the current set of markers
³Average distance in kb for SNP with adjacent map positions in the current set of markers

ISSN: 1471-2164