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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2019, Vol. 7, Issue 6, Part E

An experimental analysis of certain potential fish biomarkers following concomitant infection of indigenous and exotic aero monads in Labeo rohita


Author(s): Dola Roy, Subharthi Pal, Sriparna Datta Ray and Sumit Home Chaudhari

Abstract: The following is an experimental approach attempting to delineate the possible effects of interaction between two pathogenic Aeromonads when co-infected within a fish model. The host fish Labeo rohita was challenged by a native (Aeromonas hydrophila) and an exotic (Aeromonas salmonicida) pathogenic Aeromonad individually and simultaneously at respective asymptomatic carrier doses (3 x 107 cfu/ml and 2 x 107 cfu/ml respectively). When inoculated individually no symptom was exhibited but during co-infection prominent symptoms of A. salmonicida infection (furunculosis) were observed. The haematological, immunological and biochemical parameters along with other general health indices exhibited highest degree of physiological deterioration in the co-infected condition (p & lt; 0.05, df = 3). The observed trend of sensitivity was of the following order: co-infected > A. hydrophila infected > A. salmonicida infected > control fishes. The results in general indicated the virulence pattern of invasive pathogens, newly adapted to tropical environments and the findings would further help us to decipher the competitive interaction among different bacterial strains leading to co-existence ultimately inducing pathogenicity.

Pages: 322-329  |  185 Views  17 Downloads

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How to cite this article:
Dola Roy, Subharthi Pal, Sriparna Datta Ray, Sumit Home Chaudhari. An experimental analysis of certain potential fish biomarkers following concomitant infection of indigenous and exotic aero monads in Labeo rohita. Int J Fish Aquat Stud 2019;7(6):322-329.
International Journal of Fisheries and Aquatic Studies