Phytochemical Characterization of Alternanthera sessilis and Assessment of its Growth Promoting Potential on the Freshwater Prawn Macrobrachium rosenbergii

India is making rapid strides with its blue revolutions and holds second position in the world in aquaculture production, producing 7.76% in 2013, yet far below from China, which holds number one position with almost 61.35% production. Crustacean, which includes crabs, lobsters, crayfish, prawns, shrimps etc. consisted of 50,000 to 67,000 species and has become one of the fastest growing animal production sectors worldwide. Among these about 4048 species of shrimps and prawns are known to the world