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.