Minnesota Public Radio slideshow:
South Dakota wants to lure biotech companies
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The cloned calves live in a plastic pen isolated from other calves for nearly two months. This is to ensure the calves are free of disease and are eating and drinking enough to stay healthy. (MPR Photo/Cara Hetland)

The cloned calves live in a plastic pen isolated from other calves for nearly two months. This is to ensure the calves are free of disease and are eating and drinking enough to stay healthy.

(MPR Photo/Cara Hetland)
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