Sea lice

The efficacy of using lumpfish in net pen salmon farms may have been questioned by a number of academics recently, but a new review offers strong support for their ability to reduce Caligus elongatus numbers on …

A new study confirms that preventing sea louse infestations has key advantages over other strategies and identifies the most promising preventative methods.

The efficacy of a laser-firing device that has been designed to reduce sea lice pressures on farmed salmon has been called into question by new research.

Publicly-available data can be a powerful tool for fish farmers, in particular when it comes to tackling sea lice.

Mowi has recently installed innovative new nets, which are designed to reduce sea lice numbers, at a salmon farm in Argyll.

An innovative new treatment method to control sea lice using sound waves has received six-figure funding.

A new, cost-effective selective breeding method for improving how resistant salmon are to sea lice is being developed by a Scottish research consortium.

Scotland’s salmon farming sector has welcomed the steps taken by industry regulators to adapt the rules governing sea lice treatments during the COVID-19 pandemic.

Emerging research has demonstrated that Ivermectin, which was previously used as a means of removing sea lice from farmed salmon, inhibits the causative virus for COVID-19 (SARS-CoV-2) in vitro.

The levels of anti-sea lice medication residues in Norwegian farmed salmon and trout may be below the EU’s maximum residue limit (MRL), but a longer withdrawal period for emamectin should be considered.

Problems with sea lice in salmon farms are making it increasingly cost-effective to on-grow smolts past 100g in land-based systems, according to a new study.

Detailed analysis of big data has revealed that cleaner fish have highly variable - but generally poor - efficacy in terms of combating sea lice infestations in salmon farms.

Scottish salmon farmers have welcomed a new consultation on the merits of introducing legally binding rules to control the harvesting of wrasse for use as cleaner fish.

New research suggests that cleaner fish are nine times less effective at removing sea lice from salmon in pens surrounded by lice skirts, possibly due to the increased depth the salmon swim at in such pens.

Scotland's salmon farming sector had an average monthly survival rate of 98.60 per cent during 2019, according to the latest figures.

Benchmark Holdings, the aquaculture health, nutrition and genetics business, has raised £43 million, as it seeks to scale up its CleanTreat sea lice treatment system.

Claims that using cleaner fish to remove parasitic sea lice from farmed salmon can be economically or ethically justified are not backed up by “robust evidence” according to a new scientific report.

Benchmark has targeted raising £43 million in order to scale up and speed up the commercialisation of its novel sea lice treatment system CleanTreat.

An innovative cage design that ensures salmon stay at least 10 metres below the surface of the sea has been shown to reduce lice levels by 75 percent.

A project to develop a pioneering oral vaccine to protect salmon from sea lice has just been launched in Scotland.