Mr. MacDONALD: I think you'd probably start with some wild Scottish lake salmon.

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Freshwater fish from cold waters, like lake herring, lake trout, salmon, and whitefish, are also high in omega-3s.

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In the little lake below the lawns, hundreds of salmon leapt mockingly.

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And fertiliser-maker Akron is preparing to develop apatite fields in the Khibini mountains, an area used for reindeer grazing above the salmon-rich river system that runs south from Lake Imandra.

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