Impacts of nitrogen load of feed and fertilizer on water quality and growth performance of Nile tilapia /
أثر الحمل النيتروجيني في العليقه والسماد علي جوده المياه وآداء النمو للبلطي النيلي
Mai Gamal Mohamed Ali Ghalab ; Supervised Mohamed Elnady Ahmed Mohamed , Rasha Khaled Abdelwahed
- Cairo : Mai Gamal Mohamed Ali Ghalab , 2014
- 189 P. ; 25cm
Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Animal Production
The current experiment investigated the effect of total nitrogen load of both feed nitrogen and fertilizer-nitrogen on water quality parameters and growth performance of Juvenile Nile tilapia. Nile tilapia were reared in chemically fertilized and fed (25% crude protein pellets) green water tanks containing Nile tilapia Juveniles (I.W.=86.3-98.3grams/fish). The experiment included five treatments that lasted 66 days in concrete tanks in still water system. Three treatments had areal inputs of 8, 9 and 10 grams diet (25% crude protein) per square meter of surface water area per day for the whole experiment. The other two treatments had pelleted feed inputs of 8 and 9 grams diet (25% C.P.)