الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
This thesis was planned to study the following Points: The influence of catching and/or fishing area as well as fish specie on the major chemical constituents and bacteriological content of bolti and karmout fresh water fish. The presence of industrial wastes especially heavy metals as environmental pollutants in the river track and its accumulation in edible fish tissues. The relation between the forementioned factors and either fatty acid or amino acid distribution patterns of investigated fish tissues.