Feed & Nutrition
Algal oil shows promise as fish-oil substitute in feed for young salmon
Algal oil can replace fish oil in the feed of farmed Atlantic salmon parr without affecting their growth or ability to transition to seawater.
Probiotics help tilapia grow and fight disease, say scientists
Feeding Nile tilapia probiotics leads to improved health and performance, according to work analyzing research to date.
Some functional feeds may have trade-offs for salmon health — new study
There is a complex balance between the benefits and drawbacks of functional feeds for Atlantic salmon when fish are facing concurrent health threats, a Canadian study suggests.
Fishmeal substitute made from zooplankton could boost tilapia growth and health
A feed made from the zooplankton daphnia boosted growth rates of red tilapia fry when used as a partial replacement for fishmeal, but too much daphnia had the opposite effect.
Yeast could aid shift away from fish-based diets in rainbow trout aquaculture
Torula yeast could be a promising option for inclusion in non-fishmeal feeds, with scientists finding links to production and immune improvements in a study using rainbow trout.
Data and feed helping tackle some of Europe’s prevalent fish-health threats
A Europe-wide project is helping establish new approaches to tackle economically important parasites and pathogens, both in the Mediterranean and Norway.
Tackling jellyfish blooms affecting farmed fish in the British Isles
Tiny jellyfish have contributed to cases of gill disease in farmed Atlantic salmon in Scotland and Ireland in the past year, but early recognition and maintaining good general gill health are key to reducing the threat.
Managing health issues in the fast-changing aquaculture industry
An interview with Stian Johnsen, project manager for the World Organization for Animal Health
