In the present study effects of both injections of serotonin and dopamine on haemolymph glucose, total carbohydrates, glycogen and phosphorylase activity in different tissues of intact and eyestalk ablated M.rosenbergii. The haemolymph glucose levels was increased dose dependent in between 10 and 10 mole/prawn after injection of serotonin and dopamine. While the dose 10 mole/prawn induced peak ...

Effluent water from intensive prawn culture ponds typically has high concentrations of dissolved nutrients such as nitrogen. An experiment was conducted for 28 days to investigate the nitrogen flow where seaweed (Sargassum sp.) was integrated into western king prawn (Penaeus latisulcatus) culture. Three treatments were used, each consisting of four, 0.1m plastic tanks. Treatment 1 and 2 were th...

Giant freshwater prawn, Macrobrachium rosenbergii (deMan) (Crustacea-Decapoda) is an economically important species widely cultured in both freshwater and low saline water (brackish water) aquaculture. The experiments were conducted to study the effects of dietary supplementation of vitamin-E on the post-larval production (seed production), lipid peroxidation (LPX) and antioxidant defence syste...

The experiment was conducted at earthen ponds in the Bagerhat sadar upazila of to examine growth, production capacity, and economic return freshwater prawn (Macrobrachium rosenbergii) with persa (Planiliza persia) corsula mullet (Rhinomugil corsula) under polyculture system. Four treatments, designated as T1, T2, T3, T4 were used study, each three replicates. final weight prawns after 120 days ...

Temperature is an essential environmental factor affecting the viability of organisms. changes could cause damages or even death. The oriental river prawn, Macrobrachium nipponense, widely distributed in East Asian countries, and has been important economical aquaculture species China since 1990s. This prawn belongs to crustaceans, which a kind ectotherms very sensitive temperature due their re...