Some salmon producers may keep their cages fully submerged to keep sea lice at bay, but results from a recent trial suggest that while this reduces lice infestations, it is detrimental to salmon welfare and production goals.
Martin Welch, co-founder of KelpCrofting and inventor of the KelpRing cleaner fish hide, discusses the huge range of benefits that can be brought about by small-scale seaweed farming in the North Atlantic and beyond.