Ramdan, M., Abdel-Hakim, N., Lachine, M., EL-Azab, D., Zaghloul, A. (2015). EFFECT OF STOCKING DENESITY AND FEEDING RATE ON PRODUCTION OF EARTHENPONDS CULTURED WITH NILE TILAPIA (Oreochromis niloticus).. Journal of Animal and Poultry Production, 6(10), 635-645. doi: 10.21608/jappmu.2015.52943
M. EL-SH. Ramdan; N. F. Abdel-Hakim; M. M.S. Lachine; D. E. EL-Azab; A. M. Zaghloul. "EFFECT OF STOCKING DENESITY AND FEEDING RATE ON PRODUCTION OF EARTHENPONDS CULTURED WITH NILE TILAPIA (Oreochromis niloticus).". Journal of Animal and Poultry Production, 6, 10, 2015, 635-645. doi: 10.21608/jappmu.2015.52943
Ramdan, M., Abdel-Hakim, N., Lachine, M., EL-Azab, D., Zaghloul, A. (2015). 'EFFECT OF STOCKING DENESITY AND FEEDING RATE ON PRODUCTION OF EARTHENPONDS CULTURED WITH NILE TILAPIA (Oreochromis niloticus).', Journal of Animal and Poultry Production, 6(10), pp. 635-645. doi: 10.21608/jappmu.2015.52943
Ramdan, M., Abdel-Hakim, N., Lachine, M., EL-Azab, D., Zaghloul, A. EFFECT OF STOCKING DENESITY AND FEEDING RATE ON PRODUCTION OF EARTHENPONDS CULTURED WITH NILE TILAPIA (Oreochromis niloticus).. Journal of Animal and Poultry Production, 2015; 6(10): 635-645. doi: 10.21608/jappmu.2015.52943
EFFECT OF STOCKING DENESITY AND FEEDING RATE ON PRODUCTION OF EARTHENPONDS CULTURED WITH NILE TILAPIA (Oreochromis niloticus).
1Anim. Prod. Dept., Fish production, Faculty of Agriculture, Al-Azhar University, Cairo.
2Animal Production Department, Animal Nutrition, Faculty of Agriculture, Al-Azhar University, Cairo.
Abstract
The study was conducted over a 98 days period in order to study effects of stocking density and feeding rate on production of earthen ponds cultured with Nile tilapia (Oreochromis niloticus). Each hapa measuring 2*4*1m was suspended in an earthen pond (4000m2). There were 6 treatments, each consisting of three replicates, stocked with fish of mean individual initial bodyweigh19g. A total number of 32, 64 and 128 Nile tilapia were randomly distributed into 6 treatment groups, representing 3 stocking rates, and were fed daily at rates (zero, 3, and 4%) of fish live bodyweight. Fish were fed a balanced diet of 28.5% crude protein along the period of the experiment. The treatments were stocking densities (4, 8, and 16 fish/m3) and feeding rates (zero, 3, and 4%). The results indicate that the best final bodyweight, feed utilization, physiological status, and chemical composition was obtained by group T7 (stocking density 4fish/m3 and feeding rate 4%).
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