There are about 4 million hectares of freshwater area in the country, reservoirs, ponds, ponds etc. are available. These water areas can be used well for shrimp farming. Along with agriculture, shrimp farming earns a lot. Nowadays this business is growing very fast. It is in high demand in the foreign and domestic market, so farmers can also cultivate shrimp along with farming.
Selection of site for the main pond
The pond should be built on clay silt or loam soil, as it has good water holding capacity.
The water in the pond should be free from all types of pollution.
The soil should be free from harmful elements like carbonate, chloride, sulfate.
The pond should be about 50 to 1.50 hectares.
The minimum depth of the pond should be 1.2 meters with a maximum depth of 75 meters.
The walls of the pond should not be made sloping and should be kept upright.
Lime should be used in the pond, as well as proper arrangements should be made to fill the water and to remove excess rainwater.
Use an iron mesh to fill and drain the water.
The pond should have aquatic vegetation because the prawns have a habit of resting by hiding on the banks of the pond during the day.
Preparation of pond for nursery
The nursery of the pond needs to be prepared for rearing shrimp. First, drain all the water of the pond and dry it thoroughly. After this do a plowing. Now fill water in the pond to a depth of 1 meter. Note that to prepare a good nursery, use lime, manure, and fertilizers.
Seed in nursery
About 20 thousand seeds are needed in the nursery. The month of April-July is suitable for its storage. First of all packet of shrimp seed should be filled with pond water for 15 minutes, so that the temperature of the packet water and the water of the pond becomes one. Note that where shrimp seeds are left for harvesting, they are made by mixing semolina, maida, and egg together as a food. Larvae emanating from the seed should be allowed to remain for about 45 days. During this time, these larvae turn into baby shrimp and they weigh about 3 grams.
Transfer from nursery pond to the main pond
When the baby shrimp are grown from 3 to 4 grams in the nursery, then they should be taken very carefully in the main pond. Along with this, species of fish such as Katla and Rohu can also be reared.
Shrimp eats both animals and vegetation.
For the fast growth of prawns, both vegetarian and non-vegetarian food should be given.
Apart from this, mustard cake, rice bran, fishmeal should be given.
The remains of fish sawdust, snail, small prawns, and slaughterhouses can be given. Apart from this, small fish can also be fed by boiling them.
There should be no shortage of food in the pond because when hungry, the prawns start eating each other.
A diet of 10 percent of the weight of shrimp seed should be given daily.
The supplementary diet should be given at the rate of 2 to 3 kg per acre for two months. After this, the supplementary diet should be given at the rate of 4 to 5 kg per acre for 4 to 6 months.
Apart from diet, medicines like Agrimine, Terramycin powder, Antibiotic, Cephalaxine etc. should also be given.
Sometimes there are a large number of prawns along the banks of the pond, in such a situation there may be a lack of oxygen in the pond, for this use Airtel or by pumping sets pour the water from some height into the pond.
Water ph The appropriate amount of time should be used to maintain value.
After 15 to 20 days of seed accumulation in the pond, feeding should be continued even if the baby prawns do not appear.
Shrimp should be protected from aquatic creatures like a tortoise, crab, frogs, snakes, etc.
Production and profit
Only about 50 to 70 percent of the larvae poured into the pond survive, so they should be looked after properly. In about 4 to 5 months the weight of the prawns increases by about 50 to 70 grams, so the prawns of this weight should be started from the pond. Let me tell you that the market price of shrimp in the pond is very high. They cost about 250 rupees per kg in the market. It is sold at the rate of Rs. If the cost capital involved is removed, then one acre of water area can result in a profit of more than about 2 lakh rupees.