Table 5.
Haematological and immunological parameters (mean ± SD) after 96 h challenged with S. iniae of hybrid red tilapia
| Groups | Hours after | Haematological parameters | Immunological parameters | ||||
|---|---|---|---|---|---|---|---|
| MCH (pg) |
MCHC (g/dl) |
Haematocrit (%) |
Lysozyme activity (unit/ml) | Phagocytic activity (%) | Antibody level (IgM) (450 nm) | ||
| Unvaccinated | 96 (hpi) | 15.58 ± 2.82a | 21.99 ± 1.38a | 13.45 ± 2.71b | 96.50 ± 4.16c | 27.45 ± 6.14c | 0.30 ± 0.02c |
| BS | 13.08 ± 2.26a | 28.79 ± 3.32a | 18.45 ± 2.78a | 253.37 ± 6.11b | 36.50 ± 3.49b | 0.59 ± 0.06b | |
| BF | 12.90 ± 5.03a | 29.46 ± 7.82a | 20.26 ± 1.57a | 327.83 ± 6.38a | 47.60 ± 4.50a | 0.86 ± 0.07a | |
| MS | 14.79 ± 2.20a | 30.29 ± 7.83a | 21.06 ± 2.65a | 323.57 ± 3.04a | 39.00 ± 9.05a,b | 0.72 ± 0.03a,b | |
a-cMeans within the same column shows a significantly different effect (P < 0.05)