Group 0 Day 30 Days 60 Days Controla   0.33 ± 0.1 0.36 ± 0.1 B. subtilis (B)b 0.14 ± 0 0.53 ± 0.1(B1)c 0.69 ± 0.1(B2)d T. saccharophillus(T)b   0.48 ± 0.1(T1)c 0.62 ±0.1(T2)d Superscripts ‘a, b, c, d’ - Values similarly marked are not significantly different from each other (DMRT). 5 fishes were used in each group.

Table 2: Respiratory Burst activity (RBA) of L. rohita fed on B. subtilis and (B) 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).