Land-based aquaculture, perhaps the ultimate environmental risk-mitigation tool, was the talk of the town at the IntraFish Seafood Investor Forum. Once scoffed at for high capital and energy requirements, RAS now has a crowded bandwagon.
Few could argue that a reduction in sea lice-fighting chemicals isn't a win for the fish and for the environment. The downside, however, is that increasing numbers of cleaner fish are being caught for use on salmon farms.
An over-reliance on medical and chemical controls, along with warming waters, led to a surge in sea lice. With such treatments waning in effectiveness, operators turn to other, safer measures.
After refilling ponds, surviving microorganisms – including Vibrio parahaemolyticus, which causes EMS in shrimp – may benefit from the availability of nutrients in sediment and water and lack of competing microorganisms.
A virus that causes pancreas disease was patented, but when a vaccine produced by a patent licensee was found insufficient, another company developed a vaccine based on a different strain of the virus. The courts in Norway determined the work
In a study of Norwegian consumers asked to evaluate pangasius fillets, the extrinsic cues corporate social responsibility, endorsement and country of origin had different effects on evaluative variables.
The Fjordsmolt RAS farm applies a relatively simple, low-cost design to produce millions of salmon smolts per year in fiberglass tanks.
Spotted wolffish exhibit attractive culture characteristics, including high value, high growth rates at high stocking densities, excellent fillet yield, nonaggressive behavior and few disease problems.
Norway’s groundfish-farming industry can deliver premium-quality products, but can it achieve economic sustainability, as well? Salmon feeding, quality and disease technology can not be fully transferred to cod.