الفهرس 
Cover Page Title in EnglishOnly 14 pages are availabe for public view
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Abstract
Fish have special importance from the nutritional standpoint being an excellent source of animal protein of suprior quality as
well as the high content of phosphorus , vitamine A and sG many other nutrients , These consituents , in addition to the high moisture
content make fish a highly perishable food and easly attacked by
different microorganisms Fish is subjected to a great risk of
contamination from different sources either from their aquatic en—
vironment or afterwards
So , this work was carried out to declare the occurrence of
some food poisoning organisms which may be encountered in local
fish and to reveal the effect of handling under prevailing condi—.
tions on the microbial content of such organisms
150 samples of Tilapia nilotica , Mugil. cephalus and Clarias
lazera ( the most commonly consumed fish in Egypt ) were divided
into 2 groups
1— 75 samples of the 3 species (25 of each ) were collected from
different markets and examined bacteriological.ly for detection
of certain bacteria .