Table 5. Mean yield of carcass and major component parts of Korean native ducks fed diets with two levels of crude protein and apparent metabolic energy during 22 to 56 days
| | Carcass | Wing | Back | Neck | Breast | Leg |
(%) | (g/100 g BW) |
Items |
AMEn, (kcal/kg) | Protein level (%) | |
3,100 | 17 | 66.53 | 9.10 | 18.45 | 9.53 | 14.52 | 15.74 |
3,100 | 16 | 66.97 | 9.42 | 19.12 | 9.71 | 15.73 | 16.07 |
3,000 | 17 | 68.03 | 9.36 | 19.19 | 10.62 | 14.68 | 16.49 |
3,000 | 16 | 68.66 | 9.30 | 18.68 | 9.56 | 16.05 | 16.02 |
SEM | 1.085 | 0.174 | 0.349 | 0.244 | 0.928 | 0.477 |
AMEn (kcal/kg) |
3,100 | | 66.75b | 9.26 | 18.79 | 9.92 | 15.12 | 15.90 |
3,000 | | 68.35a | 9.33 | 18.93 | 10.09 | 15.37 | 16.25 |
SEM | | 0.767 | 0.123 | 0.247 | 0.173 | 0.656 | 0.338 |
Protein level (%) |
17 | | 67.28 | 9.23 | 18.82 | 10.08 | 14.60 | 16.11 |
16 | | 67.81 | 9.36 | 18.90 | 9.63 | 15.89 | 16.04 |
SEM1 | | 0.767 | 0.123 | 0.247 | 0.173 | 0.656 | 0.338 |
Probability |
AMEn | | 0.04 | 0.68 | 0.68 | 0.20 | 0.80 | 0.47 |
Protein | | 0.63 | 0.48 | 0.82 | 0.90 | 0.18 | 0.88 |
AMEn×Protein | | 0.93 | 0.29 | 0.11 | 0.21 | 0.93 | 0.41 |
Values in a row with different superscripts are significantly different (P<0.05).
Pooled standard error of the means.