DAWAH, A. (2000). ECONOMIC MULTI-STEP METHOD IN THE MASS CULTURE OF MICROALGAE IN ABBASSA -SHARKIA- EGYPT. Egyptian Journal of Agricultural Research, 78(3), 1351-1362. doi: 10.21608/ejar.2000.323910
AIDA M. DAWAH. "ECONOMIC MULTI-STEP METHOD IN THE MASS CULTURE OF MICROALGAE IN ABBASSA -SHARKIA- EGYPT". Egyptian Journal of Agricultural Research, 78, 3, 2000, 1351-1362. doi: 10.21608/ejar.2000.323910
DAWAH, A. (2000). 'ECONOMIC MULTI-STEP METHOD IN THE MASS CULTURE OF MICROALGAE IN ABBASSA -SHARKIA- EGYPT', Egyptian Journal of Agricultural Research, 78(3), pp. 1351-1362. doi: 10.21608/ejar.2000.323910
DAWAH, A. ECONOMIC MULTI-STEP METHOD IN THE MASS CULTURE OF MICROALGAE IN ABBASSA -SHARKIA- EGYPT. Egyptian Journal of Agricultural Research, 2000; 78(3): 1351-1362. doi: 10.21608/ejar.2000.323910
ECONOMIC MULTI-STEP METHOD IN THE MASS CULTURE OF MICROALGAE IN ABBASSA -SHARKIA- EGYPT
Central Laboratory for Aquaculture Research, Agricultural Research Centre, Ministry of Agriculture, Dokki, Giza, Egypt
Abstract
Microalgae are the natural feeds of many aquaculture species, and are the basis of the natural food chains on which sush species depend in the wild. The algae were grown in batches using successively larger containers. A cell density, chlorophyll and dry biomass were obtained from the final 4-day culture of 6.5 X 106 cells/ml, 4.77 mg /1 & 0.75 g/1 for Chlorelle vulgaris, and 5.4 X 106 cells/ml, 4.96 mg/I & 0.82 g/1 for Scenedesmus bijuga, respectively. The mass production costs for outdoor tanks of microalgae were about LE 66.38/kg dry biomass and of LE 40.53/ton of live algae (US$ 1.00 = 3.35 LE Egypt.). In the present study, the cost of labor (39.48%), electricity- (25.94%), nutrients (8.11%) and mixing (26.47%) of the total production costs were studied. The multi-step method used in the mass culture of microalagae in this investigation minimized the production costs.
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