Treat. T. protein S. albumin g/dl Globulin g/dl A/G ratio % GOT  U / l GPT  U / l
Control 4.32 ± 0.17c 1.33 ± 0.06c 2.99 ± 0.17c 0.44 ± 0.02a 89 ± 3.78a 95 ± 3.58a
Diet contained origanum vulgare 0.5% 5.64 ± 0.22a 1.74 ± 0.05a 3.90 ± 0.20a 0.45 ± 0.02a 70 ± 7.52b 82 ± 3.56b
Means the same letter (a/b/c) in the same row is not significantly different at P<0.05.
Table 5: The effect of Origanum vulgare extract (0.5%) on serum protein (g/dl), S.albumin (g/dl), A/G ratio (%) and transaminases enzymes in comparing with the control of O. niloticus in aquarium during the Laboratory experiment.