Salmon farms are increasingly being hit by mass die-offs | New Scientist

Mass mortality events at salmon farms have been getting more frequent since 2011, sometimes killing millions of fish at once, with causes including heatwaves and poor living conditions By Chen Ly 7 March 2024 Salmon killed by an algal bloom at a fish farm in Norway Berit Roald/EPA-EFE/Shuttersto​ck Farmed salmon have been dying off en masse more frequently since 2012 and in increasingly large numbers, with millions of fish being wiped out in a single event at some sites. These mass mortality events are commonly caused by stressors such as fluctuating ocean temperatures and poor living conditions, highlighting a need to improve animal welfare practices at salmon farms. Read more Lab-grown meat could be 25 times worse for the climate than beef About 70 per cent of salmon sold worldwide is farmed. There are serious concerns about the environmental impact of salmon farming and the welfare of farmed fish, with high mortality rates occurring in fish before they are ready for slaughter. Adver

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