ANTIBACTERIAL ACTIVITY OF CHITOSAN AGAINST SHRIMP PATHOGENSN. SIVAKUMAR AND V. KUMARESANAbstract Investigation was made on the efficacy of the chitosan on shrimp pathogenic bacteria such as Vibrio cholera, V. parahaemolyticus, V. mediterranei, V. nereis, V. proteolyticus, V. alginolyticus and Aeromonas sp. Different concentration of chitosan of 0.1 mL (0.25, 0.5, 0.75 & 1.0 %) was plated on bacteria inoculated plates by spread plate method. V. cholerae was sensitive at 0.5% followed by V. mediterranei, V. proteolyticus, V. nereis, V. parahaemolyticus, V. alginolyticus and Aeromonas sp. 1.0% of chitosan was the higher concentration for higher bacterial inhibition.
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