Saturday, May 25, 2013

Freshwater prawn

The freshwater prawns that have been used so far in aquaculture and aquaculture experiments all belong to the genus Macrobrachium.

This prawn spends its adult life in fresh or brackish waters. Larval development however requires brackish water of 8 to 22 ppt salinity.

Species of the freshwater prawn genus Macrobrachium are distributed throughout the tropical the tropical and subtropical zones of the world.

They are found in most inland freshwater areas including lakes, rivers, swamps, irrigation ditches, canals and ponds, as well as in estuarine.

Freshwater prawns farming are popular now. Breeders of Macrobrachium are developed and maintained in earthen ponds. The freshwater prawn is expected to attain sexual maturity in four of five months.

Large berried breeder prawns are collected and stocked in well-aerated concrete tanks and large un-berried females are separated in another tank.
Freshwater prawn
at
Labels:

Popular Posts

  • Habitat of common carp
    Common carp ( Cyprinus carpio ) belongs to the order Cypriniformes and the family Cyprinidae, which is considered the largest family of fres...
  • Macrobrachium rosenbergii
    Macrobrachium rosenbergii is the largest species of the genus the male can reach a total length (from tip of rostrum to tip of telson) of 32...
  • Seafood can cause Gout
    While seafood may be healthful for many, some choices can be quite harmful to individuals with gout. There is small but significant associ...
  • Chemical rancidity
    Rancidity is associated with characteristic off-flavor and odor of the oil. Rancidity could be as a result of microbial decomposition of fat...
  • Geographical distribution of mackerel
    Atlantic mackerel are primarily found from the Gulf of St. Lawrence to Cape Hatteras in America, and from Norway to Spain in the Eastern Atl...
  • Society and Culture
    Sociologist Robert K. Merton, one of the most influential thinkers of the 20th century, introduced the concepts of *manifest* and *latent functions* to e...