Table 3.
Association of the ACACA mutation and analysed traits (LSM ± SE).
| Index | Genotype | PLW | PUŁ | PL | Total | GLM | ||
|---|---|---|---|---|---|---|---|---|
| ACACA | Breed | di∙bj | ||||||
| IMF (%) | CC | - | 1.37 ± 0.15 a | - | 1.31 ± 0.10 a | * | *** | ns |
| CT | 1.34 ± 0.09 | 1.67 ± 0.07 b | 1.12 ± 0.02 | 1.58 ± 0.08 b | ||||
| TT | 1.34 ± 0.05 | 1.72 ± 0.03 b | 1.12 ± 0.02 | 1.59 ± 0.08 b | ||||
| Meat colour b* (yellowness) |
CC | - | 2.50 ± 0.37 | - | 2.47 ± 0.30 | ns | *** | ns |
| CT | 2.40 ± 0.20 | 2.89 ± 0.16 | 2.64 ± 0.13 | 2.73 ± 0.15 | ||||
| TT | 2.42 ± 0.12 | 3.05 ± 0.13 | 2.42 ± 0.09 | 2.69 ± 0.12 | ||||
| pH 45 min (longissimus dorsi) |
CC | - | 6.13 ± 0.07 | - | 6.15 ± 0.06 | ns | *** | ns |
| CT | 6.30 ± 0.05 | 6.14 ± 0.03 | 6.33 ± 0.03 a | 6.22 ± 0.03 | ||||
| TT | 6.30 ± 0.03 | 6.17 ± 0.02 | 6.26 ± 0.02 b | 6.23 ± 0.03 | ||||
| pH 45 min (semimembranosus) |
CC | - | 6.16 ± 0.06 | - | 6.18 ± 0.05 | ns | *** | ns |
| CT | 6.35 ± 0.03 | 6.11 ± 0.03 | 6.34 ± 0.02 a | 6.21 ± 0.03 | ||||
| TT | 6.29 ± 0.02 | 6.13 ± 0.02 | 6.27 ± 0.02 b | 6.23 ± 0.02 | ||||
| Carcass yield (%) | CC | - | 74.1 ± 0.20 a | - | 74.8 ± 0.26 A | ns | * | ns |
| CT | 77.1 ± 0.26 | 74.5 ± 0.08 b | 76.2 ± 0.12 | 75.5 ± 0.13 B | ||||
| TT | 77.4 ± 0.16 | 74.5 ± 0.07 b | 76.3 ± 0.09 | 75.9 ± 0.11 B | ||||
| Average backfat thickness (cm) | CC | - | 1.53 ± 0.12 | - | 1.43 ± 0.10 | ns | *** | ns |
| CT | 1.33 ± 0.07 | 1.58 ± 0.05 | 1.17 ± 0.05 | 1.42 ± 0.05 | ||||
| TT | 1.34 ± 0.04 | 1.54 ± 0.04 | 1.25 ± 0.04 | 1.40 ± 0.04 | ||||
| Average daily gain (g/day) | CC | - | 739 ± 44 | - | 767 ± 38 A | ns | *** | ns |
| CT | 938 ± 26 | 776 ± 20 | 956 ± 20 | 857 ± 19 B | ||||
| TT | 921 ± 15 | 788 ± 15 | 961 ± 15 | 874 ± 16 B | ||||
| Daily feed intake (kg) | CC | - | 2.23 ± 0.10 | - | 2.27 ± 0.09 a | ns | *** | ns |
| CT | 2.51 ± 0.07 | 2.31 ± 0.04 | 2.58 ± 0.05 | 2.43 ± 0.04 b | ||||
| TT | 2.46 ± 0.04 | 2.38 ± 0.03 | 2.63 ± 0.03 | 2.47 ± 0.04 b | ||||
Allele: C—wild type, T—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.