Immunological parameters | Dietary treatments | ||||
---|---|---|---|---|---|
Experiment 1 | |||||
 | C1 | P1 | P2 | P3 | P4 |
 Phagocytic activity | 67.13 ± 0.540C | 71.73 ± 0.890E | 75.40 ± 0.740B | 77.24 ± 1.190A | 67.96 ± 1.260C |
 Phagocytic index | 1.43 ± 0.003E | 1.83 ± 0.010C | 2.04 ± 0.010B | 2.54 ± 0.003A | 1.64 ± 0.040D |
 Respiratory burst activity (NBT) | 0.48 ± 0.010D | 0.53 ± 0.010D | 0.71 ± 0.010B | 0.84 ± 0.010A | 0.63 ± 0.010C |
 Serum bactericidal activity (103 CFU ml−1) | 5.10 ± 0.080A | 4.88 ± 0.050AB | 4.62 ± 0.030BC | 4.03 ± 0.150D | 4.37 ± 0.080CD |
 Serum protein (μg ml−1) | 3.38 ± 0.010C | 3.42 ± 0.020C | 3.59 ± 0.020B | 3.94 ± 0.010A | 3.51 ± 0.010B |
Experiment 2 | |||||
 | C2 | PP1 | PP2 | PP3 | PP4 |
 Phagocytic activity | 73.52 ± 1.280D | 71.65 ± 0.590E | 76.43 ± 0.150B | 82.09 ± 0.830A | 74.26 ± 0.980C |
 Phagocytic index | 1.92 ± 0.010D | 2.11 ± 0.010C | 2.19 ± 0.010B | 2.96 ± 0.010A | 1.77 ± 0.010E |
 Respiratory burst activity (NBT) | 0.80 ± 0.010C | 0.83 ± 0.010C | 0.89 ± 0.010B | 1.02 ± 0.010A | 0.90 ± 0.010B |
 Serum bactericidal activity (103 CFU ml−1) | 4.75 ± 0.030A | 4.40 ± 0.050B | 3.80 ± 0.050C | 3.43 ± 0.040D | 3.81 ± 0.030C |
 Serum protein (μg ml−1) | 3.55 ± 0.010E | 3.81 ± 0.010C | 3.92 ± 0.010B | 4.17 ± 0.010A | 3.70 ± 0.010D |