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7327255 
Journal Article 
Development of carp and prawn (Machrobranchium rosenbergi) polyculture system in Kishoreganj district of Bangladesh 
Rahman, MA; Ahammed, S; Hasan, KMM; Bhuiyan, MMH; Ali, F; Islam, MS; Rahman, MM 
2006 
1 
Pakistan Journal of Biological Sciences
ISSN: 1028-8880
EISSN: 1812-5735 
9 
8 
1447-1453 
English 
A study was undertaken to develop the economic status of rural women of Kishoregonj district in Bangladesh through fish farming. In total, 200 beneficiaries of Nari Uddug Kendra (NUK) having various sizes of pond were selected by baseline survey at Pakundia, Hossainpur and Tarail Upazillas (sub-districts) of Kishoreganj district and made a two-day training on carp-prawn polyculture and provided counseling on the pond sites in a small group routinely from pond preparation to marketing of their products. Five fish species viz., silver carp (Hypophthalmichthys molitrix), catla (Catla catla) rohu (Labeo rohita), grass carp (Ctenopharingodon idela) and Thai sharpunti (Barbodes gonionotus) and one prawn species, golda (Machrobranchium rosenbergi) were used in the present investigation. Pond preparation and management were depended upon the use of lime, cow dung, urea and Triple Super Phosphate (TSP). The average stocking densities of fish fingerlings and shrimp post-larvae (PL) were 17,290 ha-1 with the species compositions of silver carp (20%), catla (10%), rohu (20%), grass carp (1.43%), Thai sharputi (14.3%) and golda (34.3%). Supplementary feed comprising of rice/wheat bran and mustard oilcake (2:3) was applied at the rate of 8-12% of the total live fish weight twice daily. Duckweed either produced in pond or collected from the external sources was also used as additional supplementary feed. Physico-chemical parameters of pond water were within the normal range for fish culture. Mean production of fish and shrimp was obtained to be 1,980 kg ha-1 over an average culture period of 240 days. Pond management input and cost-benefit data were recorded by the farmers and were then analyzed by fish experts. The mean production cost was estimated to be Tk. 18,772 ha-1 with a benefit of Tk. 47,041 ha-1. © 2006 Asian Network for Scientific Information. 
Benefit; Carp; Development; Polyculture; Prawn; Barbodes gonionotus; Brassica; Catla catla; Ctenopharyngodon idella; Cyprinus carpio; Decapoda (Crustacea); Hypophthalmichthys molitrix; Hypophthalmichthys nobilis; Labeo rohita; Lemna