FT Vol.50(3)

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Browsing FT Vol.50(3) by Author "Saini, V. P."

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    Influence of Soil on Biodegradation of Organic Wastes and Production of Live Fish Food Organisms
    (Society of Fisheries Technologists (India)Cochin, 2013) Saini, V. P.; Ojha, M. L.; Nair, Preeti; Sharma, Amrata
    In the biodegradation process, role of soil in waste treatment was evaluated. For this purpose, 50% domestic sewage, 750 mg l-1 sewage sludge and 500 mg l-1 night soil were selected for treatment. Each of these treatments was inoculated with four brooders of cladoceran for their multiplication and their subsequent performance was assessed for a period of 30 days. Presence of soil definitely increased the production of cladoceran. As such, the highest (5600 l-1) cladoceran population was noticed in culture systems having soil bed and treated with domestic sewage while the lowest (20 l-1) being in control. The results have depicted significant role of soil in maintaining favourable water quality conditions for good aquaculture. The concentration of organic carbon, phosphorus, nitrate-nitrogen and ammonia-nitrogen reduced significantly (p <0.05) in each culture medium from the initial levels. The study suggests that soil could be used in live fish food culture system that is helpful in waste recycling.