Table 1.
Summary statistics for fatty acid composition in three pig populations
| Trait | Laiwu | Erhualian | DLY | ||||||
|---|---|---|---|---|---|---|---|---|---|
| N | Mean ± SD | h 2 ± SE | N | Mean ± SD | h 2 ± SE | N | Mean ± SD | h 2 ± SE | |
| Myristic (C14:0) | 305 | 1.34 ± 0.12 | 0.67 ± 0.09 | 331 | 1.34 ± 0.18 | 0.81 ± 0.08 | 608 | 1.31 ± 0.12 | 0.51 ± 0.08 |
| Palmitic (C16:0) | 305 | 26.50 ± 1.00 | 0.56 ± 0.08 | 331 | 25.00 ± 1.30 | 0.73 ± 0.08 | 608 | 23.88 ± 1.22 | 0.56 ± 0.08 |
| Palmitoleic (C16:1n-7) | 305 | 3.87 ± 0.60 | 0.70 ± 0.06 | 331 | 3.62 ± 0.68 | 0.77 ± 0.08 | 608 | 3.91 ± 0.46 | 0.67 ± 0.09 |
| Stearic (C18:0) | 305 | 12.09 ± 1.11 | 0.57 ± 0.09 | 331 | 12.58 ± 1.25 | 0.75 ± 0.09 | 608 | 11.36 ± 1.14 | 0.64 ± 0.09 |
| Oleic (C18:1n-9) | 305 | 46.42 ± 1.58 | 0.48 ± 0.10 | 331 | 46.17 ± 2.26 | 0.76 ± 0.09 | 608 | 45.36 ± 2.04 | 0.46 ± 0.09 |
| Linoleic (C18:2n-6) | 305 | 3.63 ± 0.80 | 0.01 ± 0.05 | 331 | 4.46 ± 0.89 | 0.48 ± 0.10 | 608 | 5.40 ± 1.51 | 0.29 ± 0.09 |
| Linolenic (C18:3n-3) | 305 | 0.11 ± 0.03 | 0.12 ± 0.09 | 331 | 0.13 ± 0.03 | 0.45 ± 0.10 | 608 | 0.19 ± 0.07 | 0.26 ± 0.09 |
| Arachidic (C20:0) | 305 | 0.19 ± 0.03 | 0.72 ± 0.11 | 331 | 0.25 ± 0.05 | 0.73 ± 0.08 | 608 | 0.19 ± 0.03 | 0.77 ± 0.08 |
| Eicosenoic (C20:1n-9) | 305 | 0.75 ± 0.15 | 0.82 ± 0.07 | 331 | 0.74 ± 0.13 | 0.63 ± 0.10 | 608 | 0.86 ± 0.11 | 0.46 ± 0.08 |
| Eicosadienoic (C20:2n-6) | 305 | 0.20 ± 0.04 | 0.18 ± 0.10 | 331 | 0.25 ± 0.05 | 0.59 ± 0.09 | 608 | 0.28 ± 0.07 | 0.43 ± 0.09 |
| Homolonolenic (C20:3n-6) | 305 | 0.05 ± 0.01 | 0.26 ± 0.10 | 331 | 0.08 ± 0.02 | 0.39 ± 0.10 | 602 | 0.09 ± 0.03 | 0.18 ± 0.08 |
| Arachidonic (C20:4n-6) | 305 | 0.18 ± 0.08 | 0.20 ± 0.10 | 331 | 0.25 ± 0.09 | 0.46 ± 0.10 | 608 | 0.48 ± 0.29 | 0.13 ± 0.07 |
N stands for the number of individuals in each population
h 2 represents the heritability of each trait for each population; heritabilities were estimated using the −l mm procedure of GEMMA based on genome-wide SNP genotypes [16]