Table 4. Non-specific immune parameters and antioxidant activity of red seabream (Pagrus major) fed the six experimental diets for 8 weeks

	NBT1)	MPO2)	Lysozyme3)	Antiprotease4)	TIg5)	SOD6)
Con	0.82 ± 0.11	1.19 ± 0.03c	15.3 ± 0.7c	19.3 ± 2.6b	30.7 ± 4.2c	55.1 ± 5.0e
P25	0.82 ± 0.13	1.51 ± 0.08ab	16.9 ± 0.1c	20.7 ± 2.1b	26.2 ± 7.0c	61.7 ± 8.9c
P50	0.78 ± 0.12	1.41 ± 0.27bc	22.4 ± 1.7b	20.4 ± 4.9b	34.1 ± 9.4b	86.4 ± 3.5a
P100	0.71 ± 0.03	1.67 ± 0.06a	21.7 ± 0.9b	43.0 ± 4.8a	33.9 ± 3.4b	62.2 ± 3.7d
P200	0.77 ± 0.05	1.42 ± 0.1bc	22.4 ± 0.4b	19.1 ± 4.2b	24.2 ± 3.6c	72.0 ± 4.7b
BP100	0.79 ± 0.09	1.4 ± 0.07bc	27.4 ± 2.0a	17.6 ± 3.6b	67.2 ± 7.2a	73.0 ± 5.6b

Values are mean of triplicate groups and presented as mean ± SD.
Values with different superscripts in the same column are significantly different (p < 0.05).
Nitro blue tetrazolium activity (absorbance).
Myeloperoxidase activity (absorbance).
Lysozyme activity (μg/mL).
Antiprotease activity (% Inhibition).
Total immunoglobulin (mg/mL).
Superoxide dismutase (% inhibition).