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Manual on polyculture and integrated fish farming in Bangladesh

Institutional Strengthening in the Fisheries Sector, Bangladesh

Year of publication 1992

Pages p.65

Author M. Mokhlesur Rahman, Imre Varga and S.N. Chowdhry ;Fisheries and Aquaculture Management Division

Product type Project

Edition 1

Synopsis (short abstract) This field document is one of a series of reports prepared during the course of the project on Institutional Strengthening in the Fisheries Sector of Bangladesh. The conclusions and recommendations given in the report were considered appropriate at the time it was prepared. They may be modified in the light of further knowledge gained at subsequent stages of the project. The designations employed and the presentation of the material in this document do not imply the expression of any opinion w hatsoever on the part of the United Nations or the Food and Agriculture Organisation of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. This document is in its final draft form. The opinions expressed by the authors are not necessarily those of FAO or the Government of Bangladesh.

Cite this content as:

Rahman, M.M.; Varga, I.; Chowdhury, S.N. Jun 1992. Manual on polyculture and integrated fish farming in Bangladesh. (np). 65 p.

Language English

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    Project
    Manual on African magur (Clarias gariepinus) culture in Bangladesh
    Institutional Strengthening in the Fisheries Sector, Bangladesh
    1992
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    This field document is one of a series of reports prepared during the course of the project on Institutional Strengthening in the Fisheries Sector of Bangladesh. The conclusions and recommendations given in the report were considered appropriate at the time it was prepared. They may be modified in the light of further knowledge gained at subsequent stages of the project. The designations employed and the presentation of the material in this document do not imply the expression of any opinion w hatsoever on the part of the United Nations or the Food and Agriculture Organisation of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. This document is in its final draft form. The opinions expressed by the authors are not necessarily those of FAO or the Government of Bangladesh.
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    Project
    Culture of African magur (Clarias gariepinus) in Bangladesh
    Institutional Strengthening in the Fisheries Sector, Bangladesh
    1992
    Also available in:
    No results found.
    In an experimental and demonstration study, production parameters and economics of African magur. (Clarias gariepinus) culture, adopting different grow-out techniques in five government and two private farms, were investigated. Semi-intensive culture techniques were used in undrainable ponds. Using locally available cheap feed ingredients (slaughter house by-products, oil cakes, rice polish/bran etc.) moist fish feed were prepared. The feed conversion ratio varied from 2.83 to 3.53 kg moist fe ed, to 1 kg fish in magur dominated polyculture, 4.87 to 5.53 to 1 kg of fish in magur monoculture; and 0.895.42 to 1 kg of fish in the chicken-magur integrated culture system. Estimated net production of 1012 t/ha/yr, 7.315 t/ha/yr and 14.2 14.3 t/ha/yr were achieved under magur dominated polyculture, magur polyculture integrated with chicken and magur monoculture systems respectively. The fish production per unit area basis could be increased with the stocking of surface feeder species such as Silver carp (Hypophthalmichthys molitrix) and Catla (Catla catla) without affecting the growth rate of magur. The highest net return over operating costs (90.12 %) was obtained in magur dominated polyculture system.
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