Table 2.
Performance of broilers fed different dietary treatments at 42 days
| CON | CM | FCM | ECM | EFC | SEM | P-value | |
|---|---|---|---|---|---|---|---|
| 0–21d | |||||||
| FI (g/b) | 942 | 933 | 938 | 941 | 944 | 7.220 | 0.815 |
| BWG (g/b) | 743a | 720b | 741a | 737a | 745a | 24.61 | 0.030 |
| FCR | 1.259b | 1.295a | 1.266b | 1.276ab | 1.267b | 0.085 | 0.024 |
| 22–42d | |||||||
| FI (g/b) | 1929a | 1754b | 1920a | 1885ab | 1918a | 34.80 | 0.029 |
| BWG (g/b) | 1032a | 875b | 1020a | 997ab | 1063a | 71.00 | 0.016 |
| FCR | 1.868b | 2.004a | 1.882b | 1.891b | 1.805c | 0.121 | 0.001 |
| 0–42d | |||||||
| FI (g/b) | 2871a | 2687b | 2859a | 2826a | 2861a | 42.55 | 0.042 |
| BWG (g/b) | 1776ab | 1595c | 1761ab | 1732b | 1808a | 39.10 | 0.001 |
| FCR | 1.617b | 1.686a | 1.623b | 1.632b | 1.582c | 0.107 | 0.011 |
| Mor. (%) | 2 | 4 | 0 | 2 | 2 | - | - |
| Carcass traits (%) | |||||||
| Dressing | 70.30 | 69.85 | 70.11 | 70.8 | 71.05 | 3.251 | 0.203 |
| Carcass yield | 75.23 | 74.09 | 74.50 | 75.14 | 74.61 | 1.545 | 0.171 |
| Liver | 2.18 | 2.05 | 2.23 | 2.21 | 2.35 | 0.252 | 0.610 |
| Abdominal fat | 1.70a | 1.58ab | 1.34b | 1.68a | 1.39b | 0.430 | 0.001 |
a,b,cEach trait with different superscripts differ significantly at p < 0.05; FI, feed intake; BWG, body weight gain; FCR, feed conversion ratio; Mor., mortality; CON, basal diet as control group; CM, added 20% CM in diet no processing; FCM, added 20% fermented CM in diet; ECM, added 20% CM plus multi-enzyme in diet; and EFC, added 20% FCM in diet with multi-enzyme