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Table 3 Results of detection of QTLs affecting fatty acids composition

From: Identification of QTL with effects on intramuscular fat content and fatty acid composition in a Duroc × Large White cross

    Position LR3 Genotypic mean (%)
SSC Trait1 P2 (cM)   Du/Du Du/LW LW/LW
1 C18:1 + 124 11.2 -0.79 0.36 0.43
1 C18:2 n-6 ++ 29 16.0 0.82 0.02 -0.84
1 MUFA + 122 13.0 -0.93 0.38 0.55
1 P:S + 29 12.4 3.90 -0.30 -3.60
2 C22:5 n-6 + 122 12.4 -0.03 -0.02 0.05
4 C22:5 n-6 + 117 12.9 -0.01 -0.03 0.04
5 MUFA + 118 11.0 -0.49 -0.27 0.76
7 C18:1 + 66 13.9 0.43 0.51 -0.94
7 C18:2 n-6 + 60 15.0 -0.54 -0.37 0.91
7 C22:4 n-6 ++ 48 17.5 -0.04 -0.01 0.05
7 C22:5 * 48 18.5 -0.05 0.00 0.05
7 CLC + 46 12.5 -0.02 -0.07 0.09
8 C16:0 + 66 14.1 -0.27 0.42 -0.14
9 C14:0 + 27 11.1 0.07 -0.05 -0.02
9 C18:0 + 14 10.8 -0.31 0.09 0.22
9 C20:3 * 88 18.3 0.01 0.03 -0.04
10 C16:1 + 106 12.7 0.12 0.03 -0.15
10 C18:1 + 103 13.4 0.62 0.34 -0.96
10 C18:2 n-6 + 108 11.1 -0.43 -0.40 0.83
10 C20:5 * 27 17.4 0.01 -0.04 0.03
10 C22:5 n-6 ++ 42 15.3 -0.01 -0.02 0.04
10 MUFA * 41 15.9 0.02 0.71 -0.73
10 UC + 42 11.6 0.00 -0.02 0.02
11 C17:1 + 92 12.4 -0.01 -0.09 0.11
11 C22:6 n-3 ++ 51 15.2 0.03 -0.01 -0.02
11 PUFA + 89 13.6 1.41 -0.62 -0.80
11 P:S + 63 13.2 4.73 -2.11 -2.62
11 UC + 65 11.6 0.04 -0.02 -0.01
12 C16:1 + 40 11.6 -0.12 0.05 0.07
13 C18:1 + 45 12.2 0.81 -0.45 -0.36
13 C22:5 n-6 + 102 12.7 -0.02 -0.03 0.05
13 MUFA + 45 14.6 0.96 -0.62 -0.34
14 C16:0 + 22 14.6 -0.07 0.33 -0.26
14 C16:1 ** 67 22.0 -0.19 0.04 0.15
14 C18:0 *** 67 32.9 0.51 -0.09 -0.43
14 C18:2 n-6 + 22 13.2 0.42 -0.78 0.36
14 C20:3 n-3 ++ 21 14.9 0.02 -0.03 0.01
14 C22:5 n-6 + 32 22.2 0.02 -0.03 0.01
14 SFA ** 45 23.7 0.62 0.11 -0.73
14 MUFA + 67 12.3 -1.02 0.36 0.65
14 PUFA + 23 12.6 0.73 -1.19 0.46
14 P:S ++ 23 15.2 1.75 -4.06 2.30
14 UC + 26 12.6 0.02 -0.03 0.01
14 CLC ** 65 23.4 0.13 -0.04 -0.09
15 C14:0 * 44 18.4 0.08 -0.10 0.03
16 C16:0 + 33 12.7 -0.13 -0.26 0.39
18 C20:5 n-3 + 7 11.9 -0.01 0.03 -0.01
  1. 1Percentages of saturated (SFA), monounsaturated (MUFA) and polyunsaturated (PUFA) fatty acids, unsaturation coefficient (UC), chain length coefficient (CLC), ratio of polyunsaturated fatty acids to saturated fatty acids (P:S); 2Maximum likelihood ratio significant at the 5% (+) or 1% (++) at the chromosome-wide level and in bold 5% (*), 1% (**) or 0.1% (***) at the genome wide level; 3LR: Maximum likelihood ratio