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24 December 2012

Mealworms: the next protein source?

While beetle larvae may not seem appetizing, study finds they're more environmentally friendly than livestock.

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They'll never replace the traditional Christmas ham, but mealworms (beetle larvae) may someday offer an environmentally friendly alternative to meat, a new study suggests.

How the study was done

Researchers in the Netherlands used three factors land usage, energy needs and greenhouse gas emissions to compare the environmental impact of mealworm farms to chicken, pork, beef or milk farms.  Compared to the other types of farming, mealworm farming produced more edible protein using the same amount of land and less energy, according to the study in the journal PLoS One.

The same team of researchers previously found that mealworms produce less greenhouse gases than other meat-producing animals.

"Since the population of our planet keeps growing, and the amount of land on this earth is limited, a more efficient, and more sustainable system of food production is needed," study author Dennis Oonincx, of the University of Wageningen, said in a journal news release.

"Now, for the first time it has been shown that mealworms, and possibly other edible insects, can aid in achieving such a system," he added.

(Robert Preidt, HealthDayNews, December 2012)

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