IMMUNOMODULATORY EFFECT OF MENTHA ARVENSIS IN OREOCHROMIS MOSSAMBICUSGEETHA, I., VIDHYAPATHY, G., CATHERINE P. AND ALEXANDER S.Abstract Recently, due to intensive farming practices infectious diseases pose a major problem in aquaculture industry, causing heavy loss to farmers. In order to address this problem in aquaculture industry, several studies have been conducted on the modulation of fish immune system to prevent diseases. Use of immunostimulants is an unique approach for fish culturist as they undergo methods as controlling diseases in aquaculture. The current study was designed to investigate the immunomodulatory effect of Mentha arvensis leaf extract was administered orally as feed supplement to Oreochromis mossambicus at the concentration of 0.1%, 1% and 10% for 15 days. The non-specific immune mechanisms such as serum myeloperoxidase activity (MPO), serum lysozyme activity and serum antiprotease activity, the specific immune response by bacterial agglutination assay and disease resistance against Aeromonas hydrophila were studied. Generally all the immune parameters studied were positively enhanced by the MA feed supplemented diet.
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