ANTIBACTERIAL ACTIVITY OF SAND CRAB (EMERITA ASIATICA) HEMOLYMPH AGAINST NILE TILAPIA (OREOCHROMIS NILOTICUS) INFECTED WITH AEROMONAS SALMONICIDA AND EDWARDSIELLA TARDA

Registration ID: IJNRD_197103

Published ID: IJNRD2305731

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R.Ronald Joshua , Ankesh Yadav , Jayanthi.J , Ragunathan M.G

Antibacterial, Hemolymph, Emerita asiatica, Edwardsiellatarda, Aeromonas salmonicida, Histopathology

Crustaceans have been identified as abundant sources of bioactive chemicals with promising uses in nutraceuticals and medicine. Since 1980s, the amount of fish produced worldwide has surged from 7% to nearly 40% and with a 6.3% share of the total global fish output, India now ranks second in the world for aquaculture production. Tilapias are the second most produced inland fish in the world, behind carps. The Nile tilapia is a species that is commonly cultivated because of its resilience to a variety of environmental circumstances, however one of the most significant elements influencing the success of Nile tilapia production is bacterial infections. Therefore, the hemolymph from Emerita Asiatica, a sand crab, was tested for its antibacterial properties. A sample of hemocoel from the Emerita Asiatica crab was taken, and the growth inhibition at various zones was used to examine the hemolymph's anti-bacterial properties. It was noticed that the Relative Percentage Survival (RPS) for the single and double immunisation groups against A. salmonicida and E. tarda were 60% and 100%, respectively, while for the combined group against both diseases, it was 34% and 100%. On healthy control subjects, a histological examination was performed to look at the structural changes in several organs, such as the kidney, liver, gills, and muscles. The treated fish displayed far fewer symptoms and reduced cellular damage to the organs, demonstrating the hemolymph's antibacterial action. Hence the present study revealed that Emerita Asiatica's haemolymph is a prospective source of very effective antibacterial agents and may be employed as a readily available natural immunostimulant material to combat bacterial infections in aquaculture.

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R.Ronald Joshua, Ankesh Yadav, Jayanthi.J , & Ragunathan M.G (May-2023). ANTIBACTERIAL ACTIVITY OF SAND CRAB (EMERITA ASIATICA) HEMOLYMPH AGAINST NILE TILAPIA (OREOCHROMIS NILOTICUS) INFECTED WITH AEROMONAS SALMONICIDA AND EDWARDSIELLA TARDA. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 8(5), h239-h255. https://ijnrd.org/papers/IJNRD2305731.pdf

Volume 8 Issue 5, May-2023

Pages : h239-h255

Paper Reg. ID: IJNRD_197103

Published Paper Id: IJNRD2305731

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Research Area: Life Sciences 

Country: Chennai, Tamil Nadu, India

Published Paper PDF: https://ijnrd.org/papers/IJNRD2305731.pdf

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