Observations on the histological alterations in various tissues of EUS affected fish, Channa striatus (Bloch)

Histopathological investigations have been made on the skin, liver, kidney and intestine of, (EUS) affected fish, Channa striatus and following anomalies have been observed. Varying degree of degeneration has been observed in the epidermis, dermis, hypodermis and underlying musculature. In all the c...

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Bibliographic Details
Published in:	Journal of environmental biology Vol. 24; no. 4; p. 405
Main Authors:	Mastan, S A, Qureshi, T A
Format:	Journal Article
Language:	English
Published:	India 01-10-2003
Subjects:	Animals Disease Outbreaks - veterinary Fish Diseases - epidemiology Fish Diseases - pathology Histological Techniques India - epidemiology Intestines - pathology Kidney - pathology Liver - pathology Muscle, Skeletal - pathology Necrosis Perciformes Syndrome Ulcer - epidemiology Ulcer - pathology Ulcer - veterinary India
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Summary:	Histopathological investigations have been made on the skin, liver, kidney and intestine of, (EUS) affected fish, Channa striatus and following anomalies have been observed. Varying degree of degeneration has been observed in the epidermis, dermis, hypodermis and underlying musculature. In all the cases, the skin lost the scales and epidermis completely at the site of infection. The dermis along with hypodermis showed the signs of necrosis. Necrosis also took place in subcutaneous layer underlying the hypodermis. Necrotization and formation of granulomas can clearly be seen in circular and longitudinal muscle layers. The liver exhibited the loosening of tissue and distension in cell bodies. While in case of kidney, shrinkage took place in all the components. Similarly, the intestinal villi got necrotised alongwith their constituent elements.
ISSN:	0254-8704