Table 2.
The carcass composition of broiler ducks as influenced by zeolite, sex and its interaction.
| Item n = 10 |
Groupd | SEM | P value | |||||
|---|---|---|---|---|---|---|---|---|
| CM | CF | ZM | ZF | Zeolite × sex | Zeolite | Sex | ||
| g/100 g of pre-slaughter body weight | ||||||||
| Slaughter yield | 65.71 | 67.29 | 66.14 | 65.04 | 0.339 | 0.116 | 0.183 | 0.730 |
| Slaughter yield with offal | 71.92 | 72.60 | 71.90 | 70.88 | 0.320 | 0.303 | 0.175 | 0.797 |
| g/100 g of carcass with offal | ||||||||
| Heart | 0.67 | 0.66 | 0.68 | 0.69 | 0.013 | 0.801 | 0.375 | 0.966 |
| Liver | 3.55ab | 2.93c | 3.80a | 3.27b | 0.083 | < 0.001 | 0.076 | < 0.001 |
| Gizzard | 4.42a | 3.74bc | 3.54c | 4.28ab | 0.100 | 0.001 | 0.404 | 0.874 |
| g/100 g of carcass | ||||||||
| Neck | 8.17ab | 7.49bc | 6.86c | 8.75a | 0.174 | < 0.001 | 0.940 | 0.081 |
| Pectoral muscle | 15.96bc | 18.19ab | 18.20a | 15.80c | 0.417 | 0.045 | 0.929 | 0.915 |
| Leg muscle | 13.88 | 13.18 | 12.72 | 14.42 | 0.279 | 0.144 | 0.940 | 0.382 |
| Skin with subcutaneous fat | 18.51b | 20.89ab | 21.81a | 20.95ab | 0.433 | 0.039 | 0.051 | 0.389 |
| Abdominal fat | 0.64 | 0.69 | 0.59 | 0.70 | 0.046 | 0.852 | 0.847 | 0.412 |
| Wings with skin | 11.48 | 11.77 | 11.35 | 12.41 | 0.236 | 0.403 | 0.601 | 0.155 |
| Carcass remains | 31.35 | 27.80 | 28.47 | 26.98 | 0.614 | 0.376 | 0.117 | 0.036 |
a,b,cMean values with various letters in the row differ statistically significantly between all groups, including interaction (P < 0.05).
dCM male control group, CF female control group, ZM experimental male group fed with zeolite, ZF experimental female group fed with zeolite.