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Blood chemistry of the Nile tilapia, Oreochromis niloticus (Linnaeus, 1757) under the impact of water pollution

Blood chemistry of the Nile tilapia, Oreochromis niloticus (Linnaeus, 1757) under the impact of... The present study is an attempt to relate environmental factors ofambient water to the physiology of the cichlid, Oreochromisniloticus. Fish were collected at 3 stations along Lake Maryûtand a fourth one in an authorized hatchery as reference. Water analysis showedthat many attributes of the water quality, in particular in the main basin,werefar beyond admissible levels. In response, functional damage of the heart andliver in polluted fish was pointed out in view of the elevated serum enzymes(alanine aminotransferase, lactate dehydrogenase, creatine kinase, alkalinephosphatase and cholinesterase). Alkaline phosphatase seemed to potentiallyindicate excess phosphate in ambient water, whereas, aspartate aminotransferasewas suppressed in fish caught from waters with the highest metalconcentrations.Serologic data of carbohydrate, lipid and protein metabolites drew attention tothe adverse effects on liver, heart and kidney functions of industrial andmunicipal discharges into the fishes habitats. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquatic Ecology Springer Journals

Blood chemistry of the Nile tilapia, Oreochromis niloticus (Linnaeus, 1757) under the impact of water pollution

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References (89)

Publisher
Springer Journals
Copyright
Copyright © 2002 by Kluwer Academic Publishers
Subject
Life Sciences; Freshwater & Marine Ecology; Ecosystems
ISSN
1386-2588
eISSN
1573-5125
DOI
10.1023/A:1021137122046
Publisher site
See Article on Publisher Site

Abstract

The present study is an attempt to relate environmental factors ofambient water to the physiology of the cichlid, Oreochromisniloticus. Fish were collected at 3 stations along Lake Maryûtand a fourth one in an authorized hatchery as reference. Water analysis showedthat many attributes of the water quality, in particular in the main basin,werefar beyond admissible levels. In response, functional damage of the heart andliver in polluted fish was pointed out in view of the elevated serum enzymes(alanine aminotransferase, lactate dehydrogenase, creatine kinase, alkalinephosphatase and cholinesterase). Alkaline phosphatase seemed to potentiallyindicate excess phosphate in ambient water, whereas, aspartate aminotransferasewas suppressed in fish caught from waters with the highest metalconcentrations.Serologic data of carbohydrate, lipid and protein metabolites drew attention tothe adverse effects on liver, heart and kidney functions of industrial andmunicipal discharges into the fishes habitats.

Journal

Aquatic EcologySpringer Journals

Published: Oct 10, 2004

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