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Maggots and abattoir blood could save the world

April 15 - The idea of dining on roast chicken reared on blood-fed maggots may not sound too appetizing, but in South Africa one scientist and businessman believes that maggots represent the future for animal feed, if livestock is to be raised in a sustainable way. To demonstrate the idea's viability, David Drew has opened a maggot farm. Tara Cleary reports.

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