Effect of nitrite on larval development of giant river prawn Macrobrachium rosenbergii

Image

Commercial farming of giant river shrimp (also known as giant freshwater shrimp) is a very popular and highly profitable business every day. Farming carp and other species of fish and giant river shrimp is very profitable and easy. If you want to start breeding Giant River Shrimp, you need to keep them in a pond or with other species of fish such as rui, katra, muligal etc. Commercial production of giant river prawns is very common and popular in South Asian countries. Giant river prawns are actually called giant freshwater prawns or Gorda Chingri in India, Bangladesh, and some other South Asian countries. Known to Very tasty and big. Larvae are produced in hatcheries. It has tremendous market demand and value. Giant river shrimp farming has several advantages. Here is a brief description of the main benefits of giant river shrimp farming. Starting a giant river shrimp farm is very easy. Even beginners can start this business. This business can easily be started in an existing pond. Giant River Shrimp are generally fast growing. Therefore, you can make big profits in a short period of time. You can feed other species of fish with Giant River Shrimp. Since it is a freshwater fish species, freshwater carp can be released together with river shrimp. You can build a poultry house on top of a pond to keep chickens and ducks. Pond fish feed on poultry droppings. Commercial production of giant river prawns can be a good business for the unemployed. Both the demand and value of taiga shrimp in domestic and international markets are very high. Marketing the giant shrimp is very simple. You can easily sell your products in your local market. Giant river shrimp farming ponds need to be properly managed. The chosen pond should be suitable for frequent replacement. Therefore, it is better to choose a pond near a river or canal. This ensures a stable water supply. Where natural water sources such as rivers and canals are not available, tube wells should be installed for continuous water supply. A sandy bottom is suitable for aquaculture of giant river prawns. Make sure you have enough sunlight. I wish there were no big trees by the pond. First, drain the water from the pond and let it dry. Drying the pond can remove all kinds of carnival and unwanted species of fish from the pond. Drying also removes harmful gases and viruses from the pond. If the pond does not dry out, apply 3 grams per cubic meter of rotenone (an aquatic insect and fish pest control agent). Applying rotenone or something related to it will completely remove all harmful fish species from the pond. Then apply 100 kg of lime per acre. After liming the pond for 5-7 days, apply 500 kg cow manure, 10 kg nitrogen, 5 kg TSP and 2 kg MAP per acre. Maintaining a good pond environment is very important for successful river shrimp farming. Store river shrimp in a dry place or on ice.