Foster Farms set up new procedures to deal with salmonella contamination after the USDA threatened to shut down its plants last fall. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

A Filipino chicken vendor in Quezon City, east of Manila, Philippines. Researchers say Pacific island chicken are genetically similar to the variety found in the Philippines, but different from South American chicken. Rolex Dela Pena/EPA/Landov hide caption

itoggle caption Rolex Dela Pena/EPA/Landov

Benny Bunting, a farm advocate for Rural Advancement Foundation International-USA, in front of one of his old chicken houses in Oak City, N.C. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

Chicken Nuggets, from artist Banksy's 2008 installation "The Village Pet Store and Charcoal Grill" in New York City. Mario Tama/Getty Images hide caption

itoggle caption Mario Tama/Getty Images

Foster Farms, the chicken processor at the center of a major salmonella outbreak, now faces the threat of a shutdown at its facilities. /PR Newswire hide caption

itoggle caption /PR Newswire

A salmonella outbreak that has sickened more than 270 people has been linked to raw chicken produced at three Foster Farms facilities in California. /PR Newswire hide caption

itoggle caption /PR Newswire

Why are so many feral chickens crossing the road in Maui? To get a rental car, of course. Stephanie Federico/NPR hide caption

itoggle caption Stephanie Federico/NPR

Chicken Kiev made by Viacheslav Gribov, head chef at Kiev's Hotel Dnipro, comes with a small bone sticking out one end. If done properly, some of the butter inside will remain unmelted. Amy Guttman hide caption

itoggle caption Amy Guttman