Feed has historically been the biggest single cost for salmon farmers, but expenses associated with biological problems are now emerging as the biggest production outlay, according to a new report.

In 2020, the total production cost for one kilogram of Norwegian salmon was about NOK 55 (€5.20/$5.50). Of that, feed accounted for around 25 percent at NOK 13-NOK 14 (€1.20/$1.30) and biological costs up to 30 percent at NOK 14- NOK 17 (€1.40/$1.50), according to the report "Cost development in salmon and trout farming: What is the cost of biological risk?" by University of Stavanger Professor Bard Misund.