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Economics of sewerage feed multivarietal fish farming in West Bengal Public Deposited

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  • Sewerage feed fishing farming is being practiced in many parts of the world. In this type of fish farming domestic and industrial sewerage discharged from bug metropolis are utilized for fish farming. Utilization of sewerage for fish farming has been an alternative for treatment. As installation of sewerage treatment plants would be costly proposition considering the volume of sewerage discharge of a big metropolis. The entire sewerage of Calcutta metropolis is discharge in Bidydhari river which flows along 24-Parganas (North) in West Bengal. If it had not been utilized for fish farming the entire sewerage would have been discharged in to Bay of Bengal. In rainy season paddy is cultivation along the lands of river Bidyadhari. The river is separated from agricultural land by means of river bunds which prevent from incursion of sewerage and saline water during paddy cultivation. It also helps in draining out of excess water due to high rainfall through sluice gates. After paddy harvest, the land is leased out for fish farming. Fish farmers lease large chunks of land in. The sewage water is let in the paddy fields during high ties through sluice gates. Different kinds of fish seedlings along with Talapia and Nylotica are released in required quantities. Seedlings of Nyclotica and Talapia need not to be released as these varieties breeds by it. Different varieties include mallets, tiger prawns, Indian Major Carps etc. At the onset of monsoon in August the leased in land is again returned back to the owner for paddy cultivation. In view of the above the paper intends to explain the following objectives: i) To study the tenurial arrangements in paddy-cum-fish farming; ii) To study the costs and benefits of paddy-cum-fish farming
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  • Lahiri, Debabrata. 2004. Economics of sewerage feed multivarietal fish farming in West Bengal. In: Proceedings of the Twelfth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 20-30, 2004, Tokyo, Japan: What are Responsible Fisheries? Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2004. CD ROM. ISBN 0-9763432-0-7
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