HEALTH & WELFARE
The future of sea louse control on salmon farms: do genetic technologies hold the key?
Genetic technologies could give salmon farmers the crucial tools they need to prevent sea louse infestations, according to researchers.
Visual indicators fall short in assessing anesthetic effect on fish
Visual observation is inadequate to assess whether anesthetics have rendered fish unconscious, leading to potential welfare risks, according to research in Sweden.
Bacterial risks in recirculating systems can be managed, study suggests
There is a risk that antibiotic resistant bacteria of the Aeromonas genus can be introduced into recirculating aquaculture systems (RAS), according to new research in France — while fish feed can provide bacteria with a route into these highly controlled production environments.
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.
Cutting antibiotic use in Chile’s growing salmon sector
An interview with Francisco Vallejos, MV, deputy health manager for Camanchaca SA.
Emerging diseases on Latin America’s tilapia farms
By Carlos AG Leal, Professor of Immunology and Fish Health, Veterinary School, Federal University of Minas Gerais-UFMG, Brazil
Columnaris disease affects Nile tilapia eggs and larvae, study suggests
Columnaris disease, a potentially devastating condition affecting freshwater finfish, has been found infecting Nile tilapia eggs and larvae for the first time.
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.
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.
Novel parasiticide part of quest for long-lasting sea lice control in Chile
Currently, almost all Atlantic salmon producers affected by caligidosis have incorporated Alpha Flux as a useful and effective tool in their parasite-control strategy.
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