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Pig food research

Pig food research

C004/2800

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Credit

STEPHEN AUSMUS / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY STEPHEN AUSMUS / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY

Restrictions:

Editorial use only.

Caption

Pig food research. Animal nutritionist adding crude glycerin (the dark liquid) to pig feed for the piglets at right. Crude glycerin, also called glycerol, is a sweet-tasting organic compound produced during biodiesel production. It has been shown to be an excellent source of energy for animals, but processing is needed to remove toxic components.

Release details

Model release not available. Property release not required.

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