Method of culture of fresh water prawn or Galda prawn : About 70%
0fthe exported prawns are Galda prawn. They are cultured in inland, rivers,
canals, ditches, haor etc of the country. Ponds with viscous soft clay soil
with humus soil are suitable for Galda culture. The Galda prawns are widely
cultured in the soft soiled ponds of Khulna, Jessore, Patuakhali, Noakhali,
Chittagong, Comilla, Mymensingh and Dhaka. The ponds have to be suitably
prepared for prawn culture.
should be two sluice gates in the culture ponds of Galda for the entrance and
exit of water.
· The banks of the ponds should be
elevated and the depth of the pond should be medium. If the bank is grassy,
then it would not be distorted.
· The predatory fishes are to be
removed before the release of the fries in the pond. The bottom of the pond
should be cleaned, and lime and cowdung manure would have to be applied. This
helps in increasing the fertility of the pond and planktons grow enormously. As
a result the prawns grow faster.
· For a better production, only the
desired varieties of prawn fries should be released in the pond.
earn the desired prawn fries several hatcheries or egg development tank have
been established in different places of our country. Mother Galda prawn with
naturally fertilized eggs, are to be set free in the hatchery, where regular
anddefinite quantity of food, is to be supplied. The mother prawns lay 7,000 to
30,0000 eggs at a time. Within 16-24 days the eggs hatch to small nauplius
larva. The larvae are to be supplied artemia (one type of Arthropoda) and other
necessary foods regularly. The nauplius larva gradually grows to an adult
passing through several stages.
this, larvae are also collected from natural source for pond culture. In
Bangladesh naturally hatched prawn fries are collected from the rivers of
Kowkhali, Noakhali, Noapara, Kalughat, Halda, Dakatia, Rampal, Dumuria, Posur