Sea lice

The Scottish salmon industry expressed a clear commitment to increase investment in tackling sea lice during 2019, according to a poll conducted by SAIC, the Scottish Aquaculture Innovation Centre.

Extreme weather events and changing ocean conditions are creating unpredictable outcomes for aquaculture. One area where research is offering some insight into what to expect, though, is the…

The Scottish Salmon Producers Organisation (SSPO) has announced that sea lice levels in the industry are at their lowest levels for six years, despite 47 percent drop in spending on medicinal sea…

Norwegian researchers have developed an electronic “sensor” fish to measure how mechanical delousing impacts salmon.

Good feed and the right environment during their hatchery phase are key for lumpfish to be effective as cleaner fish in salmon farms once transferred to sea.

Although lagging behind Norway, research into the use of Pacific cleaner fish species to combat lice issues is showing some promise.

An international collaboration of scientists from Chile and the UK has revealed why some Atlantic salmon are more resistant to infection from Caligus sea lice than others.

Cermaq has transferred its first batch of smolt into the world’s largest flexible closed containment system, which has the capacity to hold 400 tonnes of salmon.

Two of Scotland’s leading fish farming companies have helped to close the cycle of ballan wrasse – successfully breeding from farm-raised broodstock.

Marine Harvest Scotland and Scottish Sea Farms have reported a sustained improvement in fish health during the first five months of 2018, with a marked reduction in disease-related mortalities.

Inspired by the early trials of the world’s largest operational salmon farming pen, SalMar is now determined to head even further offshore, with plans to build a system that can withstand wave…

With sea lice an increasingly tough problem for salmon farmers to treat, new research suggests that managing water temperature might be more effective than blitzing the parasites with more chemicals

A Scottish salmon farming company has pledged to ensure that any wild-caught wrasse it uses as cleanerfish are sustainably sourced.

The deployment of skirts to keep sea lice out of salmon pens is proving very effective for Scottish Sea Farms, with the salmon in the pens involved outperforming all previous year classes following…

Eirik Sigstadstø, R&D director at the Norwegian Research Fund (FHF), has high hopes for next week’s sea louse control conference in Trondheim, in which the use of lumpfish and wrasse are set to…

The first commercial scale field trial of a new sea lice treatment in Norway have proved both 100 percent efficacious and environmentally friendly.

Scotland’s leading salmon and trout producers have united in a bid to extend the usage and efficacy of two of the most environmentally-friendly sea lice treatments currently available.

Encouraged by the success of cleanerfish in other salmon-producing regions, as well as improved access to a number of other novel methods to combat lice, Grieg Seafood Shetland is hoping to move away…

CleanTreat cleanses the treatment water after delousing in well boats, and the water is clean before it is released back into the fjords. The solution allows salmon farmers to use medical treatments…