Cage modifications can help manage sea lice problems — but care needed

Sea lice are one of the primary problems affecting Atlantic salmon farming, with severe infestations impacting fish health and performance, and the stress of treatments being linked with the development of other diseases. Changes to the sea cages that salmon are often farmed in offers one solution, according to an expert.

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Cage modifications can help manage sea lice problems — but care needed

Salmonids

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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. 

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Vaccines and smart sea lice control helping Chilean salmon giant improve sustainability

Salmon rickettsial septicemia and Caligus sea lice are two of the major concerns affecting salmon production in Chile. Thanks to new approaches in fish-health management, Blumar Seafoods is successfully limiting their impact.