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Abstract
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Article Information:
Effects of Water Quality and Monogenean Parasite in the Gills of Freshwater Cat Fish, Hemibagrus nemurus Valenciennes 1840
B.M. Modu, M. Saiful, M. Kartini, Zaleha Kasim, Marina Hassan and F.M. Shaharom-Harrison
Corresponding Author: B.M. Modu
Submitted: September 07, 2011
Accepted: February 17, 2012
Published: April 05, 2012 |
Abstract:
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The Study on Hemibagrus nemurus (Valenciennes, 1840) gills was designed to investigate the
influence of monogenean irritation coupled with water quality condition of the pond (earthen pond) in Perlok,
Pahang. Three hundred and eighty fish host were examined, their gills were excised and fixed in 3%
glutaraldehyde for scanning electron microscopy and in bouin’s solution for histology. In the infected fish gills,
the pathological alterations observed such as proliferative, degenerative and necrotic changes in the epithelium
of gill filaments. In the secondary lamellae, telangiectasia, fusion of secondary lamellae and excessive mucous
cells proliferation were observed. Correlation was made between water quality parameters and intensity of
monogenean infestation in the ponds. It can be concluded that gill alterations as a result of monogeneans
irritation and poor water quality in fish ponds may serve as a sensitive biomarker for pollutants.
Key words: Gills, Hemibagrus nemurus, monogenean, pathological alteration, water quality, ,
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Cite this Reference:
B.M. Modu, M. Saiful, M. Kartini, Zaleha Kasim, Marina Hassan and F.M. Shaharom-Harrison, . Effects of Water Quality and Monogenean Parasite in the Gills of Freshwater Cat Fish, Hemibagrus nemurus Valenciennes 1840. Current Research Journal of Biological Sciences, (3): 242-246.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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