الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Nile tilapia (Oreochromis niloticus) is the most significant and familiar farmed species in Egypt. Kafr El-Shaikh governorate ranks the highest fish culture production among all Egyptian governorates. But, according to Law 124 of year 1983, fish farming in Egypt depends on drainage water. In Kafr El-Shaikh, aquaculture depends on drainage water running in drains surrounding Burullus Lagoon.