Table 4.
Association of SCD mutation and analysed traits (LSM ± SE).
| Index | Genotype | PLW | PUŁ | PL | Total | GLM | ||
|---|---|---|---|---|---|---|---|---|
| SCD | Breed | di∙bj | ||||||
| IMF (%) | AA | - | - | - | - | ns | *** | ns |
| AG | 1.28 ± 0.11 | 1.72 ± 0.08 | 1.23 ± 0.07 | 1.58 ± 0.07 a | ||||
| GG | 1.36 ± 0.06 | 1.66 ± 0.06 | 1.13 ± 0.02 | 1.39 ± 0.05 b | ||||
| Water exudation (%) | AA | - | - | - | - | ns | *** | ns |
| AG | 32.4 ± 2.17 | 29.9 ± 0.91 | 35.2 ± 2.44 | 30.9 ± 1.18 | ||||
| GG | 35.6 ± 1.16 | 30.6 ± 0.64 | 35.8 ± 0.76 | 33.5 ± 0.93 | ||||
| Meat colour L* (lightness) | AA | - | - | - | - | * | ns | ns |
| AG | 53.1 ± 0.60 | 54.5 ± 0.54 | 54.5 ± 0.89 | 54.3 ± 0.55 a | ||||
| GG | 54.1 ± 0.32 | 55.6 ± 0.38 | 55.1 ± 0.28 | 55.1 ± 0.43 b | ||||
| Meat colour b* (yellowness) | AA | - | - | - | - | * | *** | ns |
| AG | 2.36 ± 0.24 | 2.69 ± 0.17 a | 2.11 ± 0.25 | 2.57 ± 0.18 a | ||||
| GG | 2.37 ± 0.13 | 3.11 ± 0.12 b | 2.43 ± 0.08 | 2.71 ± 0.14 b | ||||
| pH 45 min (longissimus dorsi) |
AA | - | - | - | - | ns | *** | ns |
| AG | 6.31 ± 0.06 | 6.17 ± 0.03 | 6.25± 0.06 | 6.21± 0.04 | ||||
| GG | 6.29 ± 0.03 | 6.14 ± 0.02 | 6.30± 0.02 | 6.19± 0.03 | ||||
| Loin mass (kg) | AA | - | - | - | - | ns | *** | ns |
| AG | 6.39 ± 0.16a | 5.00 ± 0.05 | 5.64 ± 0.17 a | 5.32 ± 0.08 a | ||||
| GG | 6.09 ± 0.08b | 5.06 ± 0.04 | 6.03 ± 0.05 b | 5.64 ± 0.06 b | ||||
| Ham mass (kg) | AA | - | - | - | - | ns | *** | ns |
| AG | 9.05 ± 0.16a | 8.72 ± 0.08 | 9.28 ± 0.13 | 8.84 ± 0.09 a | ||||
| GG | 9.36 ± 0.09b | 8.80 ± 0.05 | 9.26 ± 0.04 | 9.09 ± 0.07 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.