SALMONIDS

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Research highlights ways to improve the lives of cleaner-fish species

The welfare of lumpfish used in biological control of sea lice significantly worsens after they are moved to cages at sea, while for wrasse, challenges in nurseries are causing problems before sea transfer.

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Revealing shared welfare challenges and solutions in the Scottish salmon industry

Sea lice, gill health and environmental challenges are the major considerations for Scottish salmon producers looking to improve the welfare of their fish, according to an Institute of Aquaculture survey.

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Exposed, offshore salmon farms may complicate fish-health challenges

Life on exposed offshore aquaculture sites may increase the susceptibility of farmed Atlantic salmon to parasites and pathogens.

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Cutting antibiotic use in Chile’s growing salmon sector

An interview with Francisco Vallejos, MV, deputy health manager for Camanchaca SA.

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Navigating barriers on the road to gene-edited fish

Gene editing could aid fish resistance to disease, as well as provide other advantages to producers, but there are still barriers to overcome before it becomes widely used in global aquaculture, according to an industry expert.

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How to balance fish welfare and environmental protection in aquaculture

Fish farmers’ efforts to protect the environment often come at a cost to fish welfare, say scientists at the University of Melbourne, in a new opinion paper.

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New knowledge could aid diagnosis of salmon farms’ troublesome cardiac disease

Screening plasma and kidney samples could prove a useful method to provide early diagnosis of cardiomyopathy syndrome (CMS), a common viral disease which causes mortality and welfare issues in Atlantic salmon farming.

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How accessible genome sequencing supports sustainable aquaculture

New, affordable technologies are changing the speed and cost at which full-genome sequences can be produced for diverse applications.

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Study tracks salmonid alphavirus transmission in Norwegian aquaculture

New genomic analysis of salmonid alphavirus subtype 2 (SAV2) samples from Norway has shed new light on how the pathogen has spread through the country since its introduction in 2010.

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Distinct bacterial variants make winter ulcer diagnostics ever-more important

A complex genetic picture is posing problems for Norwegian salmon farmers managing stocks affected by winter ulcer.