Table 3.
Comparison of slaughter performance between the XG and F2 goose.
| XG goose |
F2 goose |
P value |
|||||
|---|---|---|---|---|---|---|---|
| Items | Male (n = 15) | Female (n = 15) | Male (n = 15) | Female (n = 15) | Breed (B) | Sex (S) | B*S |
| Live body weight (kg) | 4.06 ± 0.28A | 3.26 ± 0.30B | 4.44 ± 0.32C | 3.82 ± 0.47D | 0.000 | 0.000 | 0.360 |
| Slaughter weight (kg) | 3.46 ± 0.23A | 2.78 ± 0.12B | 3.84 ± 0.33C | 3.23 ± 0.87D | 0.000 | 0.000 | 0.655 |
| Dressing-out percentage (%) | 85.06 ± 1.87a | 85.18 ± 1.17a | 86.44 ± 1.95b | 87.08 ± 3.60b | 0.031 | 0.602 | 0.721 |
| Semieviscerated yield (%) | 78.06 ± 1.93a | 76.57 ± 2.41a | 78.79 ± 2.11b | 80.14 ± 2.92b | 0.006 | 0.929 | 0.063 |
| Eviscerated yield (%) | 68.84 ± 1.43a | 67.83 ± 0.03a | 70.61 ± 2.12b | 71.37 ± 0.01b | 0.004 | 0.662 | 0.174 |
| Breast yield (%) | 12.17 ± 0.56 | 12.72 ± 1.25 | 12.73 ± 1.47 | 12.28 ± 1.21 | 0.738 | 0.058 | 0.340 |
| Thigh yield (%) | 13.35 ± 1.52 | 13.41 ± 0.88 | 14.15 ± 1.66 | 13.23 ± 0.68 | 0.464 | 0.310 | 0.256 |
| Abdominal fat yield (%) | 2.77 ± 0.65a | 3.55 ± 1.21a | 2.61 ± 0.87b | 2.51 ± 1.22b | 0.047 | 0.245 | 0.140 |
Abbreviations: F2 goose, ternary hybrid goose; XG goose, Xingguo gray goose.
a,b
Rows marked with different superscript letters differ significantly between groups.
A–D
Rows marked with different superscript letters differ extremely significantly between groups. ns, not significant.