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KHATER, A. (2006). REPRODUCTIVE PERFORMANCE OF NILE TILAPIA (OREOCHROMIS NILOTICUS) AT DIFFERENT LEVELS OF WATER TEMPERATURE AND REARING OF FRY AT DIFFERENT STOCKING DENSITIES. Egyptian Journal of Agricultural Research, 84(1), 203-211. doi: 10.21608/ejar.2006.230015
AHMED M. KHATER. "REPRODUCTIVE PERFORMANCE OF NILE TILAPIA (OREOCHROMIS NILOTICUS) AT DIFFERENT LEVELS OF WATER TEMPERATURE AND REARING OF FRY AT DIFFERENT STOCKING DENSITIES". Egyptian Journal of Agricultural Research, 84, 1, 2006, 203-211. doi: 10.21608/ejar.2006.230015
KHATER, A. (2006). 'REPRODUCTIVE PERFORMANCE OF NILE TILAPIA (OREOCHROMIS NILOTICUS) AT DIFFERENT LEVELS OF WATER TEMPERATURE AND REARING OF FRY AT DIFFERENT STOCKING DENSITIES', Egyptian Journal of Agricultural Research, 84(1), pp. 203-211. doi: 10.21608/ejar.2006.230015
KHATER, A. REPRODUCTIVE PERFORMANCE OF NILE TILAPIA (OREOCHROMIS NILOTICUS) AT DIFFERENT LEVELS OF WATER TEMPERATURE AND REARING OF FRY AT DIFFERENT STOCKING DENSITIES. Egyptian Journal of Agricultural Research, 2006; 84(1): 203-211. doi: 10.21608/ejar.2006.230015

REPRODUCTIVE PERFORMANCE OF NILE TILAPIA (OREOCHROMIS NILOTICUS) AT DIFFERENT LEVELS OF WATER TEMPERATURE AND REARING OF FRY AT DIFFERENT STOCKING DENSITIES

Article 20, Volume 84, Issue 1, January 2006, Page 203-211  XML PDF (390.05 K)
Document Type: Original Article
DOI: 10.21608/ejar.2006.230015
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Author
AHMED M. KHATER
Central Laboratory for Aquaculture Research, Agricultural Research Center, Ministry of Agriculture, Dokki, Giza, Egypt
Abstract
The present study includes natural spawning of Nile tilapia (Oreochromis niloticus) under different levels of water temperature and rearing of fry at different stocking densities of Nile tilapia (Oreochromis &atlas.). The study indicated that there are significant differences between different levels of water temperature 22 °C — 25 °C , 26 —31 °C and 34 — 37 °C for number of fry per female and number of fry per (gm) of female body weight of Oreochromis niloticus Also, the results indicated that there were a significant difference in rearing of fry at different stocking rates 300 fry / m3, 150 fry / m3 and 75 fry / m3, for growth parameters. The survival rate showed no significant differences between stocking rates 300 fry / m3 and 150 fry / m3, while, there was a significant different between them and stocking density 75 fry / m3. It was concluded that the water temperature 26 — 31°C is the best for reproductive performance and growth. Also, stocking density 75 fry / m3 was the best result for growth of Nile tilapia than nthpr stnrkina densirv.
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