Table 2.
Association of FASN gene and analysed traits (LSM ± SE).
| Index | Genotype | PLW | PUŁ | PL | Total | GLM | ||
|---|---|---|---|---|---|---|---|---|
| FASN | Breed | di∙bj | ||||||
| Water exudation (%) | GG | 39.8 ± 2.36 | 28.8 ± 2.50 | - | 31.6 ± 1.11 ab | * | *** | ns |
| AG | 34.8 ± 1.03 | 30.6 ± 0.93 | 35.6 ± 0.89 | 30.8 ± 0.87 a | ||||
| AA | 34.5 ± 2.00 | 31.2 ± 0.62 | 36.1 ± 1.04 | 33.2 ± 1.10 b | ||||
| Meat colour L* (lightness) | GG | 52.8 ± 0.72 a | 54.7 ± 1.51 | - | 54.9 ± 0.51 | ns | *** | ns |
| AG | 53.8 ± 0.31 ab | 54.8 ± 0.57 | 55.5 ± 0.32 | 54.5 ±0.40 | ||||
| AA | 54.5 ± 0.31 b | 55.2 ± 0.38 | 55.0 ± 0.38 | 55.0 ±0.51 | ||||
| Meat colour b* (yellowness) | GG | 2.27 ± 0.27 | 2.78 ± 0.48 | - | 3.00 ± 0.16 | ns | *** | ns |
| AG | 2.51 ± 0.11 | 2.85 ± 0.18 | 2.47 ± 0.09 | 2.99 ± 0.13 | ||||
| AA | 2.01 ± 0.23 | 2.99 ± 0.12 | 2.45 ± 0.11 | 2.91 ± 0.16 | ||||
| pH 45 min (longissimus dorsi) | GG | 6.35 ± 0.07 | 6.25 ± 0.08 b | - | 6.13 ± 0.03 a | ** | *** | ns |
| AG | 6.28 ± 0.05 | 6.23 ± 0.03 ab | 6.34 ± 0.02 A | 6.21 ± 0.03 ab | ||||
| AA | 6.35 ± 0.06 | 6.13 ± 0.02 a | 6.24 ± 0.02 B | 6.17 ± 0.03 b | ||||
| pH 45 min (semimembranosus) | GG | 6.33 ± 0.05 | 6.21 ± 0.07 | - | 6.32 ± 0.03 | ns | *** | ns |
| AG | 6.34 ± 0.02 | 6.13 ± 0.03 | 6.33 ± 0.02A | 6.34 ± 0.02 | ||||
| AA | 6.29 ± 0.05 | 6.12 ± 0.02 | 6.25 ± 0.02B | 6.29 ± 0.03 | ||||
| Carcass yield (%) | GG | 77.7 ± 0.36 a | 75.1 ± 0.07 B | - | 74.8 ± 0.14 A | ns | * | ns |
| AG | 77.2 ± 0.16 ab | 74.3 ± 0.08 A | 76.6 ± 0.05 A | 75.5 ± 0.11 B | ||||
| AA | 76.8 ± 0.31 b | 74.5 ± 0.20 A | 75.7 ± 0.04 B | 75.9 ± 0.14 B | ||||
| Average backfat thickness (cm) | GG | 1.28 ± 0.09 | 1.56 ± 0.04 | - | 1.53 ±0.14 A | ns | * | ns |
| AG | 1.41 ± 0.04 | 1.56 ± 0.06 | 1.20 ± 0.05 | 1.36 ± 0.11 B | ||||
| AA | 1.34 ± 0.08 | 1.46 ± 0.16 | 1.24 ± 0.04 | 1.27 ± 0.14 B | ||||
| Loin mass (kg) | GG | 6.56 ± 0.14 A | 5.06 ± 0.04 | - | 5.21 ±0.07 A | ns | *** | ns |
| AG | 6.19 ± 0.06 AB | 5.08 ± 0.05 | 5.89 ± 0.07 | 5.75 ± 0.06 B | ||||
| AA | 5.84 ± 0.12 B | 5.06 ± 0.11 | 6.00 ± 0.08 | 5.91 ± 0.07 B | ||||
| Average daily gain (g/day) | GG | 919 ± 36 | 739 ± 58 | - | 799 ± 21 A | ns | *** | ns |
| AG | 920 ± 16 | 774 ± 22 | 958 ± 17 | 886 ± 16 A | ||||
| AA | 955 ± 30 | 786 ± 14 | 938 ± 15 | 925 ± 21 B | ||||
| Feed conversion (kg/kg) | GG | 2.71 ± 0.07 | 3.35 ± 0.13 B | - | 2.99 ±0.05 A | ns | *** | ns |
| AG | 2.68 ± 0.03 | 3.06 ± 0.05 AB | 2.72 ± 0.03 | 2.80 ± 0.04 B | ||||
| AA | 2.73 ± 0.06 | 3.01 ± 0.03 A | 2.78 ± 0.03 | 2.81 ± 0.05 B | ||||
| Daily feed intake (kg) | GG | 2.49 ± 0.10 | 2.41 ± 0.13 | - | 2.35 ±0.05 A | ns | *** | ns |
| AG | 2.45 ± 0.04 | 2.34 ± 0.05 | 2.60 ± 0.03 | 2.46 ±0.04 A | ||||
| AA | 2.58 ± 0.08 | 2.34 ± 0.03 | 2.59 ± 0.04 | 2.57 ± 0.05 B | ||||
| Age at slaughter (day) | GG | 165 ± 5.35 | 203 ± 8.56 B | - | 181 ± 3.39 A | ns | *** | ns |
| AG | 169 ± 2.20 | 182 ± 3.20 A | 162 ± 3.22 | 171 ± 2.71 B | ||||
| AA | 162 ± 4.52 | 183 ± 2.13 AB | 167 ± 2.76 | 169 ± 3.41 B | ||||
Allele: A—wild type; G—mutation; within rows, in each column, means denoted by different letter superscripts differ AB p < 0.01; ab p < 0.05; *** p < 0.001, ** p < 0.01, * p < 0.05. PLW—Polish Large White, PUŁ—Puławska, PL—Polish Landrace. di∙bj—the interaction between dj genotype group and bj breed.