Biodegradation of Nitrogen in a Commercial Recirculating Aquaculture Facility
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Research Article: The effect of media biofilter and aquatic plant (Ceratophyllum demersum) on water quality of recirculating aquaculture systems, growth and survival rates of ornamental fishes
This study was conducted in order to compare the hornwort aquatic plant (Ceratophyllum demersum) with an artificial filter for purification in a recirculating aquaculture system (RAS). At first, the fluctuation of nitrogen components of the water reuse system equipped with artificial filtration was evaluated. Experiments were performed during three months. The hornwort aquatic plant was collect...
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tion method when temperature, salinity, disease, water supply, land availability, or exotic species /environmental regulations prevent more cost effective alternatives. A recirculating aquaculture system (RAS) can also be used to support traditional pond or net pen culture through broodstock or fingerling production. Recirculating systems have been widely used in research laboratories and unive...
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A recirculating aquaculture system was developed to hold native fishes for experimental pumping trails at the U.S. Bureau of Reclamation’s Tracy Fish Collection Facility (TFCF), Sacramento-San Joaquin Delta, California. The TFCF operates to prevent the entrainment of juvenile and adult fishes, including endangered species, into the Delta Mendota Canal. TFCF uses louvers to direct into the colle...
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Dietary cholesterol has been shown to be essential for several crustacean species. However, cholesterol requirement of narrow-clawed crayfish has not been reported. Therefore, a 12-week feeding trial was conducted to determine deitary cholesterol requirement of narrow-clawed crayfish. Juvenile crayfish with an average body weight of 13.8±1 g mean weight were intensively stocked in an indoor rec...
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تاریخ انتشار 2017