Table 1.
Summary statistics of growth and carcass traits from Chinese Ningdu yellow chicken population.
| Traits | Mean | S.D.a | Min | Max. | C.Vb (%) |
|---|---|---|---|---|---|
| Carcass weight (g) | 758.51 | 121.93 | 401.40 | 1139.30 | 16.07 |
| Eviscerated weight (g) | 524.89 | 90.39 | 270.20 | 848.50 | 17.22 |
| Semi-eviscerated weight (g) | 668.69 | 109.50 | 361.00 | 1034.00 | 16.38 |
| Breast muscle weight (g) | 57.45 | 14.37 | 20.80 | 104.60 | 25.01 |
| Carcass rate (%) | 82.92 | 8.12 | 45.84 | 92.39 | 9.79 |
| Eviscerated rate (%) | 57.28 | 6.00 | 31.24 | 66.53 | 10.48 |
| Semi-eviscerated rate (%) | 73.02 | 7.35 | 41.29 | 84.89 | 10.06 |
| Breast muscle rate (%) | 6.24 | 1.20 | 2.30 | 10.20 | 19.15 |
| Live weight (g) | 915.65 | 122.23 | 566.40 | 1275.3 | 13.35 |
| Body length (cm) | 17.65 | 1.03 | 14.80 | 23.10 | 5.86 |
| Chest circumference (cm) | 19.77 | 1.61 | 14.40 | 25.20 | 8.13 |
| Average daily gain (g) | 7.88 | 1.07 | 4.84 | 10.43 | 13.55 |
| Chest depth (mm) | 79.21 | 6.58 | 54.41 | 102.89 | 8.31 |
| Birth weight (g) | 29.99 | 3.83 | 17.80 | 40.80 | 12.78 |
| Back width (mm) | 59.75 | 6.66 | 42.12 | 80.46 | 11.15 |
| Chest angle (°) | 50.11 | 5.70 | 35.44 | 69.50 | 11.37 |
| Chest width (mm) | 53.05 | 8.91 | 34.53 | 74.60 | 16.80 |
aStandard deviation.
bCoefficient of Variation.