Giant freshwater prawn is an omnivorous prawns, high value in freshwater culture. It can be bred, cultrued, compounded feed, transported for sale and processed in order to reduce the culture costs and increase profits.
the applications of live microbe,products of microbial metabolite and Vaccine in freshwater culture were investigated. The effects of water quality control,disease prevention and microbiol products as feed or additive on fresh water culture were discussed.
According to the test of NO-_2-N conversion with nitrite-oxidizing bacteria in a freshwater aquaculture pond, NO-_2 -N began to decrease on the third day of the moculation of this bacterium and t he concentration dropped from 1.47mol/L to 0.49mol/L after 18 days at 25℃ and pH 8.6.
Various water samples were determined with this method, the result shows, the method goes with tradition photocolorimetry on determination value, and is adaptable to use in fields for seawater and freshwater aquaculture units.
Some progress has been made in marine disease control through chemical treatment in intensive culture systems, principally through application and modification of methods developed for freshwater aquaculture.
Tilapia wild spawning is a nuisance in warm freshwater aquaculture growout ponds.
To date, the yearly European freshwater aquaculture production is 371,727?tons, valued at over US$1?billion.
Occasional records of predation by freshwater fishes on Anostraca suggest these Crustacea to be a suitable live food in freshwater aquaculture.
sanctum as immunostimulant in the maintenance of finfish health in intensive freshwater aquaculture is suggested.
In Florida, cultured freshwater and collected saltwater species accounted for $70 million and $4 million, respectively, in annual dockside revenue.
The kinetics of nitrate (NO3-) uptake, the maximum uptake velocity (Vm) and the half-saturation constant (Ks), were determined for 18 species of batch-cultured freshwater algae grown without nitrogen limitation.
Trichodinid ectoparasites (Ciliophora: Peritrichida) of wild and cultured freshwater fishes in Taiwan, with notes on their origi