Land O' Lakes sells Omega 3 Eggs, laid by hens that ate feed spiked with Omega Protein's Virginia Prime Gold fish oil.

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It contains high-quality protein and is now used to feed not just cattle, but as Dave Kinard of the NCPA told me, "just about any critter at all, " including horses, hogs, chickens, turkeys, sheep, and mules.

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But the company has discovered that its algae can be processed into other useful things: feed for fish farms, protein powders for food supplements and omega-3 fatty acids used in a variety of supplements and pharma products.

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As a result, Abdel Hadi says, her experiments show that chickens raised on a crayfish feed diet lay more, stronger, higher-protein eggs.

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One part of the program gives guinea pigs, a staple and traditional protein source in Peru, to families for breeding so they can feed themselves and sell them to earn income.

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Take too many menhaden and you damage the populations of bluefish and striped bass that feed on them. (Not so, says the company.) At the moment Omega Protein is allowed to fish only in the waters off six states, and two of those have caps on its harvests.

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