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Abstract                 Volume:6  Issue-6  Year-2018          Original Research Articles


Online ISSN : 2347 - 3215
Issues : 12 per year
Publisher : Excellent Publishers
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Assessment of Fresh Water Quality Using a Gastropod Snail Indoplanorbis exustus (Dehayes, 1834) Mollusca: Pulmonata
Kavitha1*, H.M. Mahilini2 and Albert Rajendran2
1Research Department of Zoology, Sri Parasakthi College for Women, Courtallam, Tamil Nadu, India – 6278 02
2 Research Department of Zoology, St.John’s College, Palayamkottai, Tamil  Nadu, India – 627 002
*Corresponding author
Abstract:

Freshwater gastropod snail Indoplanorbis exustus is a highly tolerant organism to stressors and can thrive well in polluted waters. Even healthy gastropod snails concentrate bacteria in their body and can act as reservoirs of pathogens, and this character indicates that the snails act as bio-indicator of pathogenic organisms, which they harbor through the aquatic environment. An attempt has been made to investigate the total number of bacterial colonies and the density of each bacterial isolate in the body fluid (hemolymph) of healthy Indoplanorbis exustus to highlight the fact that this Freshwater gastropod snail could be a tool as an environmental microbial  bio-indicator. The results indicate a mean total density of bacterial species that have been isolated from the hemolymph.  Among the six isolates, the density of Escherichia coli  was the maximum ranging from 3.2 x 104 to 2.20 x 106 CFU/ml and the lowest record was of Pseudomnas spp., ranging from 9 x 103 to 6.8 x 105 CFU/ml. This finding reveals that FW gastropod snails such as Indoplanorbis exustus could be a tool for bacterial indicators in monitoring water quality in polluted environments.

Keywords: Indoplanorbis exustus, Water quality, Bacterial bio-indicators.
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How to cite this article:

Kavitha, M., H.M. Mahilini and Albert Rajendran. 2018. Assessment of Fresh Water Quality Using a Gastropod Snail Indoplanorbis exustus (Dehayes, 1834) Mollusca: Pulmonata.Int.J.Curr.Res.Aca.Rev. 6(6): 49-52
doi: https://doi.org/10.20546/ijcrar.2018.606.006