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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/9172

Title: Qualitative algal analysis from the fish-gut: Tested in the rice fish cropping system
Authors: Awasthi, M.
Das, D. N.
Singh, R. K.
Keywords: Algal feed, Cyprinus carpio.L, rice fish, gut analysis
Issue Date: 31-Dec-2006
Publisher: Center for Environment and Energy Research and Studies (CEERS)
Citation: International Journal of Environment Science and Technology (ISSN: p-ISSN:1735-1472) Vol 3 Num 1
Abstract: Algae constitute a major proportion of fish food in rice-fish culture system. Study of algal preferences and their availability in the natural environment might be important for developing natural fish feed. Preparation of formulated feeds using under-exploited materials such as algae not only reduces production costs, but also increases procurement accessibility of locally available alternative ingredients. Methodological difficulties were being encountered in the processing and identification of ingested algal material from fish guts during the study. A new approach was thus developed to make the analysis easier, simple and accurate. For the purpose, algal ingestion by Cyprinus carpio .L stocked in a rice-fish cropping system was undertaken. The intact guts or gut contents of 25 fishes were transferred directly to five different solid nutrient mediums to study the species of algae consumed by the fish. The method adopted was found to be simpler, accurate and more convenient compared to conventional technique for gut analysis. Moreover, the methodology also reduces the number of fishes 'sacrificed' for the study.
URI: http://hdl.handle.net/1807/9172
Other Identifiers: http://www.bioline.org.br/abstract?id=st06011
Rights: Copyright 2006 - Center for Environment and Energy Research and Studies (CEERS)
Appears in Collections:Bioline International Legacy Collection

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