Table 4.
Lymphoid organs and humoral immune response of broilers fed different dietary treatments at 42 days
| CON | CM | FCM | ECM | EFC | SEM | P-value | |
|---|---|---|---|---|---|---|---|
| Thymus | 0.26 | 0.21 | 0.19 | 0.21 | 0.23 | 0.182 | 0.160 |
| Bursa of fabricius | 0.076ab | 0.059b | 0.089a | 0.62b | 0.083a | 0.027 | 0.043 |
| Spleen | 0.23 | 0.21 | 0.19 | 0.20 | 0.22 | 0.180 | 0.110 |
| NDV | 5.57b | 5.05b | 6.88a | 5.41b | 6.76a | 0.224 | 0.002 |
| AIV | 3.44 | 3.19 | 3.73 | 3.56 | 4.17 | 0.157 | 0.091 |
a,b,cEach trait with different superscripts differ significantly at p < 0.05; 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. NDV, Newcastle disease virus; AIV, avian influenza virus (H9N1)