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Introduction to Fisheries and Aquaculture  Technologies

             7. Culture of Genetically Improved Farmed Tilapia (GIFT) Strain in Seasonal Ponds

              01.  Contact division/person/unit        Freshwater  Station,  Bangladesh  Fisheries  Research
                                                       Institute, Mymensingh.
              02.  Location of application             Seasonal ponds and ditches all over the country.
              03.  Key characteristics of the      a.  Suitable for seasonal ponds.
                  technology                       b.  Simple culture techniques.

                                                   c.  Require low inputs/labours for culture.
                                                   d.  Rapid growth rate; attain marketable  size within 4-6
                                                       months.
                                                   e.  High market value.
              04.  Production guidelines
                  Pond preparation                 a.  Dyke repairing.
                                                   b.  Liming @ 1.0 to 1.S kg/dec.
                                                   c.  Cowdung @ 4 kg/dec.
                  Stocking                         a.  Density @ 80 dec (20,000/ha).
                                                   b.  Weight 6 to 8 g.
                  Feeding                          a.  Rice bran @ S to 6% of body weight offish.
                                                   b.  Duck weed if available.
                  Fertilization                        Cowdung @ 4 to S kg/dec/IS days.
                  Production/Yield                     II  to 12 kg/dec/6 months (2,700 to 3,000kg//ha/6
                                                       months).
                  Net income                           Tk. I,OS,S7Slha/6 months.
             OS.  Risk involvement and             a.  Protection against flooding.
                  management in adopting the       b.  Protection against theft of fish.
                  technology
              06.  Impact of environment               No  adverse  effect  of the  fish  on the  aquatic/
                                                       environment has been recorded so far.
             07.  Procedure of transfer                This technology  can be transferred  through relevant
                                                       public extension  agencies  and NGOs. Training  and
                                                       demonstrations are important for the purpose.
             08.  Expected outcome                     Household  nutrition,  income  and  national  fish
                                                       production  as a whole will be increased. It will also
                                                       create employment  opportunity  for rural unemployed
                                                       youth and women/housewives,
             09.  Recommendations                  a.  Training to improve technical knowledge of farmers.
                                                   b.  Demonstration  ponds should be set up in different
                                                       areas.
                                                   c.  Development  of GIFT fingerlings production  in rural
                                                       areas to meet the demand of seeds in time.






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