Page 16 - 240 introduction to fisheries and aquaculture tecnologies-azam
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Introduction to Fisheries and Aquaculture Technologies
g. Artemia is fed during early stage 5-7 days.
h. The fry at the age of 7-8 days are stocked in the
nurseries.
1. Supplementary feed made of rice bran 40%, mustard
oilcake 30% & fish meal 30% is given @ 6-8% body
weight of fish.
Benefit and cost involvement a. Mass seed production with minimum inputs.
b. High market demand.
c. High profit.
05. Risk involvement and a. Protection against flooding the nursery.
management adopting the b. Vigil against theft of the seed.
technology
06. Impact of environment No adverse effect on environment.
07. Procedure of transfer This technology can be transferred through relevant
public extension agencies and NGOs. Training and
demonstrations are important tools for the purpose.
08. Expected outcome a. Household nutrition, income and national fish
production as a whole will be increased.
b. It will also create employment opportunity for rural
unemployed youth and women/housewives.
09. Recommendations Training and demonstration to improve technical
knowledge of farmers.
6. Culture of Pangas in Ponds
01. Contact division/person/unit Riverine Station, BFRI, Chandpur.
02. Location of application Perennial ponds and water bodies all over the country.
03. Key characteristics of the a. Pangas can adapt and survive under minimum oxygen
technology and turbid water condition.
b. The fish has no predacious nature so it can be used for
polyculture.
c. Due to its omnivorous nature it can be cultured by
feeding artificial feeds.
d. The fish is tasty, therefore, it has high demand among
the consumers and can be sold with high price in the
market.
04. Production guidelines
Selection of water bodies Water bodies to be selected that retain water round the
year with a depth of2-2.5 meter.
Pond prepartion a. Undesirable fishes can be removed by repeated netting
or using rotenone @ 60 gm/decimal.
b. Ponds can be prepared by applying lime @ 1
kg/decimal; cattle dung @ 4 kg/decimal; urea 250
gm/decimal and TSP 150 gm/decimal.
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