Recirculating aquaculture systems in freshwater salmon hatcheries
With improvements in water recirculation technology, the time has come to seriously consider RAS in a freshwater salmon hatchery.
Aquaculture of pelagic fish, part 2
Australia’s aquaculture industry is developing rapidly, fueled by southern bluefin tuna (Thynnus maccoyii) in offshore net cages.
End-of-pipe water treatment at salmonid hatcheries in Norway
Most of the approximately 250 Norwegian salmonid hatcheries are located on the coast and close to a freshwater source.
Advances in fluidized sand bed biofilters
New designs for fluidized sand bed biofilters have improved hydraulic efficiency, reliability, installation costs and maintenance.
Treatment of recirculating waters with floating bead bioclarifiers
Bead filters compete very well as bioclarifiers and are used in combination with fluidized beds to tackle solids capture and biofiltration needs.
Closed-cycle, controlled environment systems: the Solar Aquafarms story
Solar Aquafarms developed an innovative, low-cost method for growing fish and shrimp in closed-cycle, controlled environments in California.
Culture of southern flounder in a freshwater recirculating system
Researchers conducted the first experimental nursery and grow-out trials of southern flounder in a raceway using a freshwater recirculating system.
Recirculation technologies in Norwegian aquaculture
Availability of quality fresh and saline water in Norway has contributed to the fact that recirculation technologies are considered uneconomical.
Commercial production of sea bream fingerlings in Spain
Sea bream fingerling producers have had to modify their facilities to grow larger animals by increasing tank volume and water flow.
Changing paradigms in shrimp farming, part 4
In high-density systems with zero water exchange, pond ecology shifts from an autotrophic, phytoplankton-based microbial community to a heterotrophic, bacterial-based community.
Aquaculture of pelagic fish, part 1
Cage culture of yellowtail (Seriola quinqueradiata) in Japan is one of the most traditional and profitable aquaculture industries worldwide.
Changing paradigms in shrimp farming, part 3
Square-shaped and deep ponds may explain partially why Belize Aquaculture is able to produce a large amount of shrimp on a unit area basis.
Tilapia farming in Honduras
Tilapia farming in Honduras began with the Special Tilapia Project farm, the first tilapia farm producing exclusively to supply the export market.
Genetic improvement of farmed prawns in Australia
The domestication and genetic improvement of farmed prawns has been slow compared to that of some other aquatic species and most terrestrial livestock.
Commercial marine finfish hatchery in the Florida Keys reports on first production trials of mutton snapper
Grassy Key Aquatic Center and the University of Miami combined to refine aquaculture technology of mutton snapper other marine fish species.
Changing paradigms in shrimp farming, part 5
A zero-water-exchange strategy to produce shrimp reduces the effluents and sediments that would normally be released to the environment by a typical intensive shrimp farm.