Testing in Nova Scotia confirms algae as substitute for fish oil in salmon farming New Canadian studies show oil made from marine algae grown in tanks can replace wild-caught fish as a key feedstock in salmon farming. Social Sharing 'There's huge potential to use this oil, not only in the Canadian aquaculture industry, but globally' Posted: May 18, 2021 6:00 AM AT | Last Updated: May 18 Bailey Hart (left) and Angelisa Osmond (right) are master of science students at Dalhousie University's agricultural campus. They are seen weighing rainbow trout as part of experimental activities in the lab.(Dalhousie Agricultural Campus Aquaculture Lab)