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 Salmon farming

Typically, salmon are anadromous: they are born in fresh water, migrate to the ocean, then return to fresh water to reproduce. However, populations of several species are restricted to fresh water through their lives. Folklore has it that the fish return to the exact spot where they were born to spawn; tracking studies have shown this to be true, and this homing behavior has been shown to depend on olfactory memory.

Salmon farming is significant in Chile, Norway, Scotland, Canada and the Faroe Islands, and is the source for most salmon consumed in America and Europe. Atlantic salmon are also, in very small volumes, farmed in Russia and the island of Tasmania, Australia.

The Norwegians developed salmon farming, but is seldom done by private companies, as anyone may catch the salmon when they return to spawn, limiting a companys chances of benefiting financially from their investment. Marine Harvest is the worlds leading seafood company and the largest producer of farmed salmon. Marine Harvest show you the life cycle of farmed salmon and you get to meet one of their farmes. The movie is in Norwegian, with English subtitles.

Salmon is a popular food. Classified as an oily fish, salmon is considered to be healthful due to the fish"s high protein, high omega-3 fatty acids, and high vitamin D content.



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