الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Because of the increase in number of fish cultures and hatcheries in Egypt , it was very important to carry on a study about fresh water fishes cultured in Egypt this based on a survey on the affection by crustacean parasites and to observe and record the clinical signs and histopathological lesions resulted from this affection and to carry out heamatological examination and determination of immune status of the affected fishes as well as to treat such crustacean parasite infestation the study concern a number.