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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jan 2014, 35 (1)                                                                                                             Back

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Adverse effects on histology of liver and kidney in fish Channa punctatus exposed to wastewater from Tung Dhab drain in Amritsar, India


Rajbir Kaur and Anish Dua*

Aquatic Biology Laboratory, Department of Zoology, Guru Nanak Dev University, Amritsar-143 005, India

*Corresponding Author E-mail:



Publication Data

Paper received:

25 May 2012


Revised received:

08 November 2012



24 December 2012




Wastewater from two different sites of Tung Dhab Drain was evaluated for its histopathological effects in Channa punctatus. Fish were exposed to five different concentrations (60-100%) for 15 and 30 days. The results showed that the histopathological changes induced in liver were mainly represented by single cell necrosis, presence of pyknotic nuclei, dilation of hepatic sinusoids, vacuolated hepatocytes and sinusoids congested with blood cells, individualization of hepatocytes, melano-macrophage centres and fatty degeneration. The histopathological alterations found in the kidney of the fish subjected to wastewater for duration of 15 and 30 days revealed nephronic and tubular damage. Tubular damage was characterised by vacuolated (V), degenerated (D) and hypertrophied tubular epithelial cells and occlusion of tubular lumen. At nephronic level, alterations were: expansion of space inside Bowman's capsules, glomerular expansion, dilation of glomerular capillaries, glomerular contraction, blood cell invasion, glomerular and tubular necrosis. It is revealed that marked histopathological changes were seen both in liver and kidney at 15 and 30 days at higher concentration of wastrewater of Tung Dhab drain.


 Key words

Channa punctatus, Histopathology, Kidney, Liver, Toxicity, Wastewater



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