58 million salmon died in Norwegian fish farms last year In 2022, 58 million salmon died in Norwegian fish farms, an increase of one million salmon from the previous year.
Electric fence against salmon lice An electric fence keeps the salmon healthy. But we will never find a lasting solution to salmon lice, says one researcher.
Salmon in pain when warm water is used as delousing treatment Salmon are briefly immersed in warm water so the lice lose their grip. The treatment is the most common non-chemical delousing method used at Norwegian fish farms. But its imminent ban comes as new research reveals the pain and injury to the salmon.
Every year, 50 million cleaner fish die in Norwegian fish farms “Would we tolerate the same mortality in other animals?” one veterinarian from the Norwegian Food Safety Authority asked at a recent conference on salmon lice.
Norwegian salmon is a huge success story – but could it get even bigger? The salmon industry creates thousands of jobs along the coast. Its export value is twice that of all other Norwegian fish combined. Could more unique products add even more value?
'Fish welfare should be a criterion for obtaining new aquaculture concessions' If fish mortality affects the bottom line, preventing mortality will be given more priority, says fish welfare researcher Tore Kristiansen.
Farmed salmon are as fertile as wild salmon The sperm from farmed male salmon are just as likely as the sperm of wild salmon to succeed in fertilising wild salmon eggs, experiments have shown. Researchers recommend that farmed salmon be made sterile.
Salmon are shrewder in a natural environment Juvenile fish get some smarts after spending eight weeks in a more stimulating tank.
Organic salmon has more Omega-3 A small share of Norwegian farmed salmon is produced organically. The organic product has the same quality as other farmed salmon, but has more Omega-3.
Salmon becomes what it eats The diet of farmed salmon is no small-fry issue. The quality of the fats and proteins in feeds has quite an impact on the taste of the fish.
A big salmon blow-up New microscope technology can portray your dinner fish in a new light, through a mix of biology, handicraft – and art.