One can also use Ballan wrasse and lumpfish to control salmon lice. Don't know if that is possible in freshwater Scottish lochs, but both species feed on salmon

One can also use Ballan wrasse and lumpfish to control salmon lice. Don't know if that is possible in freshwater Scottish lochs, but both species feed on salmon lice. It's not easy, but it's possible. https://hakaimagazine.com/news/parasite-eating-lumpfish-are-being-put-to-work-but-first-they-need-to-be-kept-alive/ https://hakaimagazine.com/news/parasite-eating-lumpfish-are-...