Piglets in a pen on a hog farm in Frankenstein, Mo. Jeff Roberson/AP hide caption

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Antibiotic Use On The Farm: Are We Flying Blind?
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Craig Rowles tends to his pigs in a barn near Carroll, Iowa. Dan Charles/NPR hide caption

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Are Antibiotics On The Farm Risky Business?
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Organic apples hang from trees in an orchard in Forest Range, Adelaide Hills, South Australia. donkeycart/via Flickr hide caption

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