A traditional Danish pork roast, common for Christmas dinner in Denmark. Pork finds its way into most Danish meals. SNSK2010/via flickr hide caption

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Berkshire pigs on Happy Hula Farm, a member of the Eden Farms collective. Amy Mayer/Iowa Public Radio hide caption

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The antibiotic-free pigs roam freely on Niman Ranch in Iowa. Sarah Willis/courtesy Niman Ranch hide caption

toggle caption Sarah Willis/courtesy Niman Ranch

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