Table 2. Descriptive statistics on reference group
| Trait | Mean | SD | Min. | Max. |
| CWT (kg) | 431.7 | 43 | 303 | 551 |
| EMA (cm2) | 91.1 | 9.7 | 65 | 116 |
| BFT (mm) | 13.2 | 4.5 | 1 | 25 |
| MS (point) | 5.7 | 1.9 | 1 | 9 |
SD, standard deviation; CWT, carcass weight; EMA, eye muscle area; BFT, backfat thickness; MS, marbling score.