Fig. 2

Biochemical changes in the gill of Heteroclarias exposed to different concentrations of POME for 28 days. a ALT (alanine transaminase), b AST (aspartate transaminase), c LDH (lactate dehydrogenase), d GPx (glutathione peroxidase), e SOD (superoxide dismutase), f CAT (catalase), g MDA (malondialdehyde)