Turkeys sit in a barn in Sonoma, Calif. An estimated 46 million turkeys are cooked and eaten during Thanksgiving meals in the U.S. Justin Sullivan/Getty Images hide caption

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In recent years, pork producers have found ways to keep the animals healthy through improved hygiene. M. Spencer Green/AP hide caption

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Why Are Pig Farmers Still Using Growth-Promoting Drugs?
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Cattle crowd inside a feedlot operated by JBS Five Rivers Colorado Beef in Wiley, Colo. John Moore/Getty Images hide caption

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Are Farm Veterinarians Pushing Too Many Antibiotics?
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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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Beef cattle stand in a barn on the Larson Farms feedlot in Maple Park, Ill. Daniel Acker/Landov hide caption

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Inside The Beef Industry's Battle Over Growth-Promotion Drugs
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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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A truckload of live turkeys arrives at a Cargill plant in Springdale, Ark., in 2011. Most turkeys in the U.S. are regularly given low doses of antibiotics. Danny Johnston/AP hide caption

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Antibiotic-Resistant Bugs Turn Up Again In Turkey Meat
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