EFFECT OF GARCINIA MANGOSTANA FRUIT PERICARP EXTRACTS AS A FEED ADDITIVE ON IMMUNOLOGICAL, BIOCHEMICAL AND GROWTH PARAMETERS OF CIRRHINUS MRIGALA AGAINST PATHOGENIC BACTERIA

Author(s): Dhanalakshmi P and Ramasubramanian V

Abstract: Aims: The present study was made to test the effect of Mangosteen (Garcinia mangostana Linn.) fruit pericarp extracts as a feed additive on immunity, biochemical and growth parameters of Indian major carp- (Cirrhinus mrigala Ham.) fingerlings. Methods: Sixty fingerlings were randomly introduced into each tub. Five treatment groups consist of three replicates. Five experimental diets were prepared: Controls, Petroleum ether, Toluene, Ethyl acetate and Methanol extract mixed feed respectively. The 0.10% of Mangosteen fruit pericarp various (petroleum ether, Toluene, Ethyl acetate and Methanol) extracts of mangosteen were included in the experimental diet. The fish were fed with experimental diets for sixty days. Result and conclusion: Results showed that oral administration of various mangosteen fruit pericarp extracts resulted in Superoxide anion production, Bactericidal activity, Lysozyme activity, Blood glucose, Total protein, Albumin, Globulin, SGOT, Total lipid, Cholesterol and Triglycerides Specific growth rate (SGR), Feed conversion ratio (FCR) and Histopathology of liver, kidney, gills, intestine of Cirrhinus mrigala showed the effect of experimental diets. Based on the results, the present study suggests that Mangosteen fruit pericarp extracts of different solvents especially 0.10%/Kg supplemented feed additive enhances the immunological, biochemical and growth parameters of Indian Major Carp Cirrhinus mrigala fingerlings against pathogenic bacteria Pseudomonas fluorescens.

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