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

Sound Science

PHQweb Prophylactic 40060890

Why prophylactic use of antibiotics poses a problem for aquaculture

Aquaculture needs to change its “widespread and unrestricted” use of prophylactic antibiotics and accelerate the move toward vaccination and more sanitary practices globally, according to Felipe C. Cabello, MD, professor emeritus of microbiology and immunology at New York Medical College.

PHQweb Seaweed 354574884

Seaweed supplements show promise as immunostimulants in aquaculture

Supplementing the diets of farmed fish with seaweeds or their extracts has “substantial positive impacts” on fish health, growth and survival, according to new analysis by scientists.

FHFweb Ctenolabrus rupestris orkney

Cleaner-fish health risks highlighted as use in aquaculture rises

Cleaner fish have proved an effective alternative method of sea louse control — but their widespread introduction brings with it a new threat of pathogens and parasites, and available treatments are falling short of requirements.