Fisheries
The diet of wild Atlantic salmon post-smolts has gone largely unchanged for 20 years
A well-documented ecological regime shift in the Northeast Atlantic did not have a large impact on salmon post-smolts’ diets in Norwegian fjords.
Intelligence
Annual farmed finfish production survey: A modest supply decline for 2023 and a predicted return to growth in 2024
Global production of carps, tilapias, pangasius, salmonids and sea bass and sea bream is expected to reach 39.6 million metric tons this year.
Health & Welfare
Aquaculture researchers begin work on first non-lethal immunology testing kit for Atlantic salmon
Researchers are developing a first-of-its-kind immunology testing kit for Atlantic salmon that could monitor all aspects of fish health.
Health & Welfare
Can photoautotrophic cultivated diatom biomass in salmon feed deter lice?
An evaluation of experimental Atlantic salmon diets with photoautotrophic cultivated diatom biomass shows the potential to deter lice.
Health & Welfare
Industry collaboration looks to develop Tenacibaculum vaccines for salmon
Benchmark Animal Health and Cermaq are developing vaccines for Tenacibaculum bacteria, thanks to a grant from the Research Council of Norway.
Health & Welfare
Assessing the effect of photoperiod manipulation on Atlantic salmon growth, smoltification and sexual maturation
Evaluation of photoperiod influence on salmon smolts suggests that an artificial winter signal would benefit RAS post-smolt production.
Aquafeeds
Assessment of microalgal biomass as a fish oil replacement in Atlantic salmon diets
The inclusion of a microalgal biomass in salmon feeds shows potential use throughout the whole production cycle from parr to harvest size.
Health & Welfare
Effects of dietary lipid on the gut microbiota of first feeding Atlantic salmon
An evaluation of dietary oils showed the occurrence of a core microbiota in early life stage of Atlantic salmon, independent of oil type in the feed.
Health & Welfare
Heart rate bio-loggers as welfare indicators in Atlantic salmon aquaculture
Emerging bio-logger technologies can provide valuable physiological, behavioral information of free-swimming, individual fish over long periods of time.
Health & Welfare
Evaluating the efficacy of a candidate vaccine for Atlantic salmon against sea lice
Laboratory-scale evaluation of a candidate vaccine for Atlantic salmon against sea lice shows an efficacy of 56 percent when administered by injection.
Responsibility
Switch to steelhead has Cooke on a new path in Puget Sound
Cooke Aquaculture Pacific is awaiting approval to farm a species native to Washington at Puget Sound sites where it previously produced Atlantic salmon.
Health & Welfare
Effect of juvenile Atlantic salmon diets with different levels of PUFAs
Study investigates blood and muscle changes in young Atlantic salmon when fed diets containing different amounts of polyunsaturated fatty acids, or PUFAs.
Health & Welfare
Salmon ova transport ban between Norway and Scotland, brought on by ISA, slowly ending
Year-long ban on salmon ova exports is being lifted slowly, as different production zones satisfy Norwegian authorities of their ISA-free status.
Aquafeeds
Evaluating brown seaweed supplementation in feed for Atlantic salmon smolts
Study evaluated the effect on Atlantic salmon smolts growth performance when adding abrown seaweed meal (from Laminaria sp., or kelp) to their feed.
Intelligence
Omega-3 fatty acid composition of Atlantic salmon fillets
Study searched for genetic variants associated with omega-3 fatty acid content in Atlantic salmon, to identify genes underlying genetic variation.
Intelligence
RAS believers making an early stand on American soil
RAS is an emerging sector with two producers leading the U.S. pack, responding to high demand for Atlantic salmon and for local, low-impact food.