Sea lice

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.

Emerging research raises questions about the welfare of Atlantic salmon during thermal delousing treatments, after tissue injuries and aversive behaviours were observed in lab trials.

The strain of sea louse most closely linked to the spread of disease and mortalities in both farmed and wild Atlantic salmon is unlikely to be adversely affected by the increasing acidification of the oceans.

A new means of removing sea lice from salmonids has been launched by Pharmaq in Chile this week.

The mass salmon mortalities that took place at a Northern Harvest salmon site in Newfoundland in September have been attributed to unusually high water temperatures.

Farmed mussels are showing promising results as a feed for wrasse used as cleaner fish in the fight against sea lice in the salmon aquaculture sector.

A cohort study of commercial salmon farms in Norway explores different prevention and treatment strategies for salmon lice and finds that habituated cleaner fish can keep lice at bay despite fluctuations in temperature and wind currents.…

A new closed-containment system that has been hailed by Nofima as having “considerable potential” to be economically viable has been launched in Norway this week.

How the recent proliferation of sea lice, and new methods for ensuing salmon are not infested with them, is driving up the cost of Norwegian salmon production was the subject of a compelling talk at Aqua Nor yesterday.

A pioneering system that can automatically count sea lice – and potentially save thousands of man hours, as well as improve fish welfare – is in the running for this year’s Nor Fishing Innovation Award.

New research has revealed that lumpfish exposed to live prey and frozen sea lice prior to transfer to marine sites perform better as cleaner fish once stocked in salmon pens.

A new study has shown that lumpfish who have habituated to their surroundings will consume more sea lice and exhibit less biological stress.

Fish health and genetics are set to top the agenda at Benchmark’s seminar during AquaNor 2019.

Today the Scottish government announced plans to introduce legislation to make the weekly reporting of sea lice data statutory, one week in arrears, in a move that has been welcomed by the SSPO.

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.

The inventor of Stingray – a laser emitting device designed to kill sea lice in salmon farms – is in contention for a European Inventor Award.

Benchmark has appointed experienced aquaculture veterinarian Neil Robertson as its new head of CleanTreat.

The world’s main salmon producers have halved the amount of medical treatments used against sea lice over the course of the last six years.

Lumpfish offered feed blocks are likely to perform better as cleaner fish than those given pelleted diets, according to new research.