Enhancing Growth of Common Carp, Rohu and Mozambique Tilapia through Plant Substrate: The Role of Bacterial Biofilm |
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Authors: | N.R. Umesh K.M. Shankar C.V. Mohan |
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Affiliation: | (1) Department of Aquaculture, College of Fisheries, University of Agricultural Sciences, Mangalore-, 575002, India |
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Abstract: | Experiments were conducted to enhance the growth of common carp (Cyprinus carpio), rohu (Labeo rohita) and Mozambique tilapia (Oreochromis mossambicus) through use of sugarcane bagasse as substrate. Bagasse was suspended in water with or without supplementation with fertilizers. Bagasse supplemented with cattle dung and urea favoured higher zooplankton production and significantly (p < 0.05) increased fish growth by over 50% compared to bagasse or fertilizers on their own. This higher production of fish is attributed to bacterial biofilm promoted on the substrate which, apart from forming food for zooplankton and fish, contributed to improved water quality by lowering ammonia. |
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Keywords: | bacterial biofilm common carp (Cyprinus carpio) growth rohu (Labeo rohita) Tilapia (Oreochromis mossambicus) |
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