Table 4 Non-specific immune response of olive flounder (P. olivaceus) fed the five experimental diets for 10 weeks. The diets were added with graded levels of taurine by 0, 0.25, 0.5, 1.0, and 1.5% (control, T1, T2, T3, and T4, respectively)

NBT¹

0.41 ± 0.01^c

0.51 ± 0.01^b

0.53 ± 0.02^b

0.58 ± 0.02^a

0.52 ± 0.02^b

MPO²

1.39 ± 0.08^c

1.80 ± 0.09^b

2.01 ± 0.08^a

2.05 ± 0.06^a

1.64 ± 0.04^b

SOD³

70.6 ± 2.50^b

75.0 ± 2.56^ab

77.3 ± 2.01^a

76.5 ± 1.55^a

71.7 ± 1.90^ab

Ig⁴

20.4 ± 0.35^d

58.4 ± 1.10^c

78.9 ± 1.38^a

74.9 ± 1.83^b

59.4 ± 0.15^c

Lysozyme⁵

15.3 ± 0.70^c

16.9 ± 0.11^c

22.4 ± 1.76^b

27.1 ± 0.79^a

21.8 ± 0.92^b

Antiprotease⁶

13.8 ± 0.63^c

20.6 ± 0.61^b

24.1 ± 0.86^a

23.0 ± 0.81^a

22.6 ± 0.95^ab