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Chuadanga). Fish were stocked at 16,000, 17,000 to comply with the government restriction on PL
and 18,000 fingerlings/ha for three different collection. Among the PL collectors, 60% were
treatments (T 1, T 2 and T 3) with 120 days old found Burmese (national of Myanmar) refugee.
chicken at the rate of 494 birds/ha of water area. In The average family size of the PL collectors was
these stocking densities, H. molitrix in three 8.28 where the percentage of adult male, female
treatments was 3,500, 4,500 and 5,500 and children (below 18 years) were 27, 28 and 45
individuals/ha while L. rohita, C. catla, C. respectively. The highest number (26%) of PL
mrigala, C. idella, C. carpio and P. gonionotus collectors fall in 21 to 30 years age group having
were stocked equally for each of the three 1:1.4 dependency ratio. Sixty eight percent of PL
treatments at 3,000, 1,500, 3,700, 1,500, 800 and collectors were found illiterate. Only more than
2,000 individuals/ha respectively. After nine two-fifth of the respondents (44%) had their own
months, the average gross productions were 5,462. land with average land size of 0.03 ha. Sixty four
12 kg fish/ha, 37, 100 eggs/ha and 706.18 kg percent of family had annual income ranged Tk. 50
chicken meat/ha. The highest production offish to 70 thousands where per capita annual income
(5,693.30 kg/ha) was obtained from Jessore was calculated as Tk. 8243.48. The money lenders
district, while the highest productions of eggs (Dadonder). issued loans to the PL collectors with
(40,688 no./ha) and meat (736.55 kg/ha) were a very high rate of interest (averagely 234.15%)
obtained from Jhenaidah and Magura districts, that made the PL collectors' annual family income
respectively. Although the stocking density of H. always insufficient for livelihood. The banning of
molitrix varied, the production of it did not vary PL collection from nature imposed by the
accordingly suggesting that H. molitrix could be Government of Bangladesh is being ignored due to
used with any of these stocking rates for integrated the poverty of the PL collectors, high demand of
culture with chicken and carps. The average natural PL, lack of alternate job for livelihood,
production cost of the system was Tk. illiteracy and unawareness. As PL collection is an
2,50,177.20/ha and the average gross income was intimidation for saving biodiversity of nature,
Tk. 3,83,129.40/ha which encured an average net proper implementation of the restriction on PL
income of Tk. 1,32,952.20/ha. collection is crucially needed. However, the event
implementation can not be successful without
579 MOSTAFA, M.; DEBNATH, P.P.; creation of alternate job options and proper
BISWAS, B. (Fisheries & Marine Resource awareness for this group of poor people.
Technology Discipline, Khulna University,
Khulna) & IQBAL, M.M. (World Fish Centre, 580 MUSA, A.S.M. (Dept. of Zoology, Rajshahi
Dhaka). Socio-economic Status of Shrimp Model College, Rajshahi). Effects of pituitary
(Penaeus monodon) Post-larvae (PL) Collectors in gland extract on the breeding performance of
Cox's Bazar with Emphasis on Violation of Gulsha tengra, Mystus bleekeri (Day). Bang. J.
Restriction on Wild PL Collection . South Asian J. Life. Sci., 2008, 20(1), 57-60.
Agric., 2007, 2 (1 & 2), 135-140.
The study was to determine pituitary gland extract
The main purpose of this study was to assess the (PGE) doses for optimum breeding performance of
socio-economic status of Bagda shrimp (Penaeus gulsha tengra. The experiment was conducted in
monodon) post-larvae collectors in Cox's Bazar, completely randomized design with ten treatments,
Bangladesh and to identify the causes of ignorance five replications i.e. each dose was applied to five
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