Table 1.
Descriptive statistics of phenotypic data
| Trait type | Trait | Mean ± S.D. | Max | Min |
|---|---|---|---|---|
| Body size | Neck length (NL, cm) | 20.3 ± 1.2 | 23.5 | 17.5 |
| Fossil bone length (FBL, cm) | 14.1 ± 0.7 | 16 | 12 | |
| Breast width (BrW, cm) | 10.7 ± 0.5 | 12.6 | 9.3 | |
| Carcass yield | Dressed weight (DW, kg) | 2.7 ± 0 .2 | 3.4 | 2.1 |
| Dressed percentage (DP, %) | 87.1 ± 1.8 | 92.6 | 83.2 | |
| Eviscerated weight (EW, kg) | 2.3 ± 0.2 | 2.8 | 1.7 | |
| Eviscerated weight percentage (EWP, %) | 73.4 ± 1.9 | 90.5 | 63.1 | |
| Half-eviscerated weight (HEW, kg) | 2.4 ± 0.2 | 3.0 | 1.8 | |
| Percentage of half-eviscerated yield (HEWP, %) | 77.9 ± 1.9 | 96.0 | 66.7 | |
| 42-day body weight (BW42, kg) | 3.1 ± 0.3 | 3.9 | 2.4 | |
| Internal organs | Heart weight (HW, g) | 17 ± 2.8 | 28 | 9.5 |
| Liver weight (LW, g) | 69.5 ± 9.7 | 120.6 | 42.6 | |
| Cut | Foot weight (FW, g) | 66 ± 7.3 | 91.6 | 45.5 |
| Wing weight (WW, g) | 111.7 ± 9.7 | 141.8 | 81 | |
| Breast muscle weight (BMW, g) | 238.2 ± 36.8 | 399 | 134 | |
| Breast muscle weight percentage (BMWP, %) | 10.5 ± 1.2 | 16.4 | 7.1 | |
| Leg muscle weight (LMW, kg) | 234 ± 86.9 | 456 | 123 | |
| Leg muscle weight percentage (LMWP, %) | 10.4 ± 3.8 | 37.3 | 11.7 |