Page 27 - 240 introduction to fisheries and aquaculture tecnologies-azam
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Introduction to Fisheries and Aquaculture Technologies
04. Production guidelines
Site selection a. Large open water bodies, which are not generally used
under intensive fish culture.
b. Either bamboo or net made by tyre cord or knotless
polyethylene net with a mesh of not more than 10 mm
can be used.
c. The pen fencing, should be strong and should have
enough height to withstand strong current, if any.
Water depth 70 to 80 cm.
Stocking Size - 15 g, Density @ 40 fish(Ruhu, Catla, Mrigal,
Silver carp, Common carp)/sq. meter.
Feeding Artificial diet prepared with Fish meal 2%, Flour
4.5%, Blood meal 22.5%, Vitamin 0.5% Sesame
oilcake 23%, Salt 1%, Rice bran 43.5%, Soyabean oil
1%, Oyster shell 2% to be given @ 5% body weight
offish twice daily.
Harvesting After three months culture period when the fish reach
marketable size (130 to 175 g) can be harvested.
Production 4.5 to 5.0 kg/sq. meter.
06. Risk involvement and a. Vigil against disease.
management in adopting the
b. Vigil against theft offish.
technology
07. Impact of environment No adverse effect on environment.
08. Procedure of transfer a. This technology can be transferred through relevant
public agencies.
b. Farmers training and demonstration.
c. NGOs involvement.
09. Expected outcome a. Nutritional requirement can partially be fulfilled
through culturing this short cycled high yielding fish
species.
b. Household income can be increased.
c. It can create self-employment opportunity for
unemployed youth /womenlhousewives.
10. Recommendations a. Technological know how of farmers should be
improved through training and demonstration.
b. Private hatchery owners should be involved to meet
up the demand of fry and fingerlings.
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