Elsayed Awad Elsayed Awad <br/><br/>
Studies on the effect of some heavy metals on fish health under different fish culture systems /  
 دراسات عن التلوث بالعناصر الثقيلة و انعكاسها على صحة الأسماك تحت نظم الاستزراع السمكي المختلفة 
Elsayed Awad Elsayed Awad ; Supervised Mohamed M. M. Moustafa , Mohamed S. M. Marzouk , Osama Mahmoud Seleem 
 - Cairo :   Elsayed Awad Elsayed Awad ,   2012 
 - 190 Leaves :   charts , photographs ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Animal Diseases 
<br/><br/> In Egypt; the environmental protection laws have not been enforced. The wasted industrial and agricultural heavy metals have harmful effects for invertebrates, fish, and humans. This study was undertaken to investigate the levels of heavy metals cadmium, copper, lead, mercury and Nickel) in Oreochromis niloticus, Clarias gariepinus and water in different fish culture systems intensive and semi-intensive fish farms 
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<br/><br/><label>Subjects--Index Terms: </label>Fish culture systems Fish health Heavy metals on fish health