Table 5.
Estimated least squares means for meat quality traits in relation to g.-995A>G and g.-311A>G SNP genotypes in purebred Large White and Duroc animals
|
Trait |
Large white |
Duroc |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |
g.-995A>G Promoter region |
g.-311A>G Promoter region |
g.-995A>G Promoter region |
g.-311A > G Promoter region |
||||||||||||
| |
p-value |
AA |
AG |
GG |
p-value |
AA |
AG |
GG |
p-value |
AA |
AG |
GG |
p-value |
AA |
AG |
GG |
| Glycolytic Traits | n = 55 | n = 37 | n = 6 | n = 56 | n = 37 | n = 5 | n = 20 | n = 54 | n = 22 | n = 45 | n = 47 | n = 5 | ||||
| Driploss% |
0.002 |
2.41 (0.19) |
3.22 (0.18) |
3.68 (0.44) |
0.009 |
2.46 (0.16) |
3.22 (0.18) |
3.46 (0.51) |
0.204 |
2.08 (0.27) |
2.46 (0.15) |
2.77 (0.23) |
0.181 |
2.38 (0.16) |
2.37 (0.15) |
3.29 (0.47) |
| pHULT |
0.0003 |
5.67 (0.01) |
5.59 (0.02) |
5.52 (0.04) |
0.0002 |
5.67 (0.01) |
5.60 (0.02) |
5.43 (0.05) |
0.345 |
5.67 (0.02) |
5.63 (0.01) |
5.63 (0.02) |
0.172 |
5.65 (0.01) |
5.64 (0.01) |
5.56 (0.04) |
| pHUSM |
0.637 |
5.55 (0.01) |
5.55 (0.02) |
5.51 (0.04) |
0.639 |
5.55 (0.01) |
5.54 (0.02) |
5.50 (0.05) |
0.684 |
5.55 (0.02) |
5.53 (0.01) |
5.54 (0.02) |
0.710 |
5.53 (0.04) |
5.53 (0.01) |
5.51 (0.04) |
| pH45LT |
0.038 |
6.60 (0.03) |
6.51 (0.03) |
6.51 (0.08) |
0.056 |
6.67 (0.03) |
6.56 (0.03) |
6.60 (0.10) |
0.767 |
6.58 (0.05) |
6.55 (0.03) |
6.59 (0.05) |
0.827 |
6.55 (0.03) |
6.57 (0.03) |
6.51 (0.09) |
| pH45SM |
0.139 |
6.6 (0.03) |
6.62 (0.03) |
6.51 (0.03) |
0.118 |
6.60 (0.03) |
6.50 (0.03) |
6.60 (0.09) |
0.684 |
6.57 (0.05) |
6.47 (0.03) |
6.51 (0.05) |
0.811 |
6.51 (0.03) |
6.51 (0.03) |
6.45 (0.09) |
| ECULT |
0.029 |
2.93 (0.10) |
3.34 (0.12) |
3.47 (0.30) |
0.109 |
2.97 (0.10) |
3.27 (0.11) |
3.55 (0.34) |
0.130 |
3.20 (0.20) |
3.38 (0.11) |
2.93 (0.19) |
0.890 |
3.23 (0.12) |
3.25 (0.12) |
3.06 (0.38) |
| ECUSM |
0.069 |
3.73 (0.17) |
4.17 (0.20) |
4.87 (0.50) |
0.200 |
3.70 (0.17) |
4.20 (0.20) |
4.10 (0.57) |
0.310 |
3.90 (0.17) |
3.83 (0.10) |
4.13 (0.16) |
0.454 |
4.04 (0.10) |
3.85 (0.10) |
3.97 (0.32) |
|
Colour | ||||||||||||||||
| L * |
0.064 |
45.62 (0.47) |
47.44 (0.55) |
47.28 (1.40) |
0.077 |
45.65 (0.47) |
47.31 (0.55) |
47.88 (1.55) |
0.785 |
45.83 (0.68) |
46.20 (0.39) |
46.51 (0.64) |
0.997 |
46.09 (0.41) |
46.13 (0.41) |
46.16 (1.27) |
| b * |
0.052 |
3.27 (0.22) |
4.02 (0.25) |
4.52 (0.64) |
0.023 |
3.26 (0.21) |
3.99 (0.25) |
5.05 (0.70) |
0.706 |
3.30 (0.32) |
3.49 (0.18) |
3.69 (0.30) |
0.502 |
3.42 (0.19) |
3.44 (0.19) |
4.15 (0.59) |
|
Fatty Acids | ||||||||||||||||
| IMF% LT |
0.467 |
0.95 (0.07) |
1.04 (0.08) |
1.19 (0.20) |
0.343 |
0.94 (0.07) |
1.05 (0.08) |
1.25 (0.22) |
0.918 |
1.86 (0.15) |
1.79 (0.08) |
1.82 (0.14) |
0.538 |
1.84 (0.09) |
1.83 (0.09) |
1.53 (0.27) |
| IMF% SM | 0.536 | 1.15 (0.06) | 1.24 (0.07) | 1.27 (0.17) | 0.334 | 1.13 (0.06) | 1.25 (0.07) | 1.36 (0.19) | 0.689 | 2.23 (0.17) | 2.09 (0.10) | 2.21 (0.16) | 0.869 | 2.14 (0.10) | 2.18 (0.10) | 2.02 (0.32) |
P-values significantly different at the nominal level are in bold. Associations significant at the Bonferroni-adjusted alpha are underlined.
Bonferroni-adjusted alpha levels were as follows for single SNP association analysis: Large White =0.0083, Duroc =0.0083.
IMF Intramuscular Fat, LT M. Longissimus thoracis et lumborum muscle, SM M. semimembranosus muscle, n number of genotypes.