Parasite Induced Vibriosis in Stolephorus commersonii


	Research Journal of Microbiology
	Year: 2007 \| Volume: 2 \| Issue: 12 \| Page No.: 972-977 DOI: 10.3923/jm.2007.972.977

Parasite Induced Vibriosis in Stolephorus commersonii

M. Rajkumar, R. Thavasi, P. Perumal and Jean-Paul Trilles

Abstract: The attempt of the present study is to achieve an approach of the magnitude of parasite induced secondary infection estimation of Vibrio, Salmonella and Pseudomonas loads as well as the total heterotrophic bacteria using a battery of biochemical tests. The parasitic isopod Nerocila phaiopleura was collected from commonly available fish Stolephorus commersonii at Parangipettai, India. Parasites settled on the branchial and external body surface of the fish causes red coloured skin lesions, where secondary bacterial infections were detected. THB and Vibrio counts were higher in the infected hosts than in the healthy fish and it was found to 7.2x10⁵ and 3.5x10³ cfu g^-1 in branchial regions and 5.4x10⁵ and 2.3x10³ cfu g^-1 in the body surfaces, respectively. Salmonella counts were found as 6.0x10³ and 3.6x10¹ cfu g^-1 in branchial regions of the infected and uninfected fish and in body regions, 3.9x10³ and 1.03x10² cfu g^-1, respectively. Pseudomonas counts were 7.0x10², 4.9x10¹ cfu g^-1 in branchial regions and 6.2x10², 5.8x10¹ cfu g^-1 in the body surfaces of the infected and uninfected fish. Statistical analysis of the results (t-test) showed high significant value (p<0.05).

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How to cite this article:

M. Rajkumar, R. Thavasi, P. Perumal and Jean-Paul Trilles, 2007. Parasite Induced Vibriosis in Stolephorus commersonii. Research Journal of Microbiology, 2: 972-977.

DOI: 10.3923/jm.2007.972.977

URL: https://scialert.net/abstract/?doi=jm.2007.972.977

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