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by
K.M.M. Hasan |
Total Records (
2 ) for
K.M.M. Hasan |
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M. Aminur Rahman
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S. Ahammed
,
K.M.M. Hasan
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M.M.H. Bhuiyan
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F. Ali
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M.S. Islam
and
M.M. Rahman
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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. |
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M. Aminur Rahman
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M. Kamruzzaman Hossain
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M. Abul Kalam Azad
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M. Kamruzzaman
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Harun-Ar-Rashid
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M. Mosfikur Rahman
and
K.M.M. Hasan
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Thai sharpunti, Barbodes gonionotus (Bleeker) was cultured with major carps viz., rohu (Labeo rohita), catla (Catla catla), mrigal (Cirrhinus mrigala) and silver carp (Hypophthalmichthys molitrix) in seasonal ponds over a period of 90 days. Three treatments differing in stocking densities were tested with three replicates each. The stocking density of rohu, catla, mrigal and silver carp fingerlings in all the experimental ponds was 494, 94, ,482 and 1,235 ha-1, respectively. In addition, Thai sharpunti fingerlings was stocked at the rate of 9.880, 4.820 and 19.760 ha-1 in T1, T2 and T3, respectively. All the fishes were fed with supplementary diet comprising of rice bran and mustard oil cake (1:1) at the rate of 6-7% of the estimated body weight twice daily. Physico-chemical parameters and plankton populations of pond water were taken every fifteen days interval and were within the normal range for fish culture. The total production of fish at the end of the experimental period was 1,248.34, ,343.19 and 1,592.67 kg ha-1 in T1, T2 and T3, respectively. Significantly higher (p<0.05) production of fish was obtained in T3 due to higher number of Thai sharpunti. Despite this, consistently higher individual weight gain of rohu, catla, silver carp and Thai sharpunti was observed in T1 than in T2 and T3. Other growth performances (final weight and specific growth rate) and survival of fish also followed the similar trends as weight gain. Considering the highest individual growth and survival of fish, the stocking density of Thai sharpunti in T1 may be recommended for culture with Indian major carps in seasonal ponds to attain quick marketable size and to avoid disease risk. |
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