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Table 2 Average r2 between adjacent SNP for sparse marker panels

From: Estimation of linkage disequilibrium in four US pig breeds

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