Aquaculture, the propagation and husbandry of aquatic plants, animals, and other organisms for commercial, recreational, and scientific purposes. Aquaculture is an approximate aquatic equivalent to agriculture—that is, the rearing of certain marine and freshwater organisms to supplement the natural supply. This includes production for supplying other aquaculture operations: providing sources of protein for the public, industrial products, for stocking sport fisheries, for supplying aquatic bait animals, for stocking fee-fishing operations, and for supplying feed stocks to the pharmaceutical and chemical industries.

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