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Unlike most places that farm salmon. Nz salmon starts out in the river. Grown to a certain size then moved to farms to finish growing. Farms are not overpopulat
by philliphaydon 5y ago
Unlike most places that farm salmon. Nz salmon starts out in the river. Grown to a certain size then moved to farms to finish growing. Farms are not overpopulated. The new born salmon are put back into rivers.
In Norway the salmon farms spend the entire life in the farm. Are fed lots of antibiotics because they get sick. And are overpopulated.
Nz. Is very strict because of 1 person messes up it ruins the reputation of the entire country.
- vintermann 5y agoThat wouldn't even work. You have to grow salmon in freshwater to a certain size before you can grow them in the sea, it's done in tanks on land here in Norway (the fishery directorate would certainly not let them use rivers). I worked at the University library when I studied, I remember there was a ton of outdated books from the early development of salmon aquaculture. Salmon farming didn't even succeed until the late 60s, it took a lot longer to make it profitable. They tried a lot of wild stuff, some of it was ecologically questionable to put it mildly (like "havbeite", the idea of forgoing enclosures entirely and just release the smolt to sea, hoping to catch it later). But regulation has caught up to the industry somewhat. Of course, now the Norwegian owned industry does a lot of the bad stuff it's no longer allowed to do in Norway in Chile instead.