One pathogen strain seems the main culprit in damaging salmonid disease

A distinct strain of the main fungus-like pathogen which causes saprolegniosis — thought to be responsible for around 10% of economic losses in the salmonid industry — looks likely to be responsible for the majority of outbreaks of the disease on Atlantic salmon fish farms.

A Salmon farm on the Scottish west coast

One pathogen strain seems the main culprit in damaging salmonid disease

Salmonids

sea lice all over pink salmon

Research highlights risks of thermal delousing treatments for unhealthy salmon

Thermal sea lice treatments do not appear to cause increases in pathogens which threaten farmed salmon, but the risk of stress-related mortalities means that fish already suffering from disease should not undergo thermal sea lice treatments, according to Institute of Aquaculture researchers.

FHFweb_sr + canv JImmy

Dramatic changes and emerging challenges in more than 30 years of fish health and welfare

An interview with Professor Jimmy Turnbull, PhD, University of Stirling

A large group of fish circling in a gloomy pond, a view from abo

How acoustic technologies are aiding fish health and welfare

Monitoring fish using sound is on the rise in aquaculture, meeting a need to accurately assess the health and welfare of farmed-fish populations in changing environments.

Landscape Picture of the salmon fish farm or aquaculture in fjor

Norwegian salmon industry’s annual ‘health check’ underlines areas for improvement

The Norwegian Veterinary Institute’s latest Fish Health Report1 has highlighted record numbers of sea lice treatments and bacterial diseases causing complications for fish producers in Norway — but in order for its authors to keep up with changes in the industry, new, more specific data needs to be collected and made available in coming years.

Freshwater aquatic zooplankton under microscope view

Understanding plankton threats to salmon requires a mix of old and new technologies

Using both “traditional” microscopy and environmental DNA (eDNA) analysis can help paint a complete picture of plankton threats to salmon aquaculture, according to University of Glasgow research.

Aerial drone photo of fish farming unit of sea bass and sea brea

Managing health risks in Mediterranean aquaculture’s least-controllable environment

The consolidation of Mediterranean aquaculture is standardizing production practices in the region and leading to better biosecurity management, but growing out fish in the unforgiving environment at sea poses the sort of challenge that demands realistic, practical solutions.

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Simulation offers insight into emerging-disease spread on salmonid farms

A new computer simulation approach may help better understand how emerging diseases could spread across salmonid farms in England and Wales and the best measures to limit their impact.

Polymerase Chain Reaction (PCR) and Agarose gel electrophoresis

Scientists delve into rising incidence of mycobacteriosis on Norwegian salmon farms

Cases of mycobacteriosis, a serious disease affecting Atlantic salmon predominantly related to Mycobacterium salmoniphilum infections, appear to be on the increase in Norway.