Group 0 Day 30 Days 60 Days Control   0.29 ± 0.1 0.58 ± 0.2 B. subtilis(B)b 0.21 ± 0.1 0.57 ± 0.2(B1)c 0.54 ± 0.1(B2) T. saccharophillus(T)b   0.54 ± 0.2(T1)c 0.53 ≈ 0.1(T2) Superscripts ‘a, b, c, d’ - Values similarly marked are not significantly different from each other (DMRT). 5 fishes were used in each group.

Table 4: Ig M (mg/ml-1) levels of L. rohita fed on B. subtilis (B) and T. saccharophillus (T) formulated diets for 30 (B1/T1 ) and 60 (B2/T2 ) days compared to control group fed on basal diet. (Values are Mean ± SD of 5 individual observations).