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At Howard University in Washington, D.C., chemist George Gassner records information as animal scientist Al Mitchell (left) and university scientist Hua Fu Song examine a cross-sectional magnetic resonance image from the abdominal area of a pig. The sharp images of the MRIs let scientists see how a particular swine beeding line looks-in terms of fat-to-lean ratio, or how a particular diet is affecting an animals body. In the background, animal geneticist Armin Scholz monitors the pig within the MRI chamber.
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