Why Maryland is banning a chicken drug

By becoming the first state to ban a common chicken-feed additive, Maryland hopes to block several paths through which additional arsenic could enter the food chain. Read related article.

How Roxarsone, a common chicken-feed additive that contains arsenic, can enter the food chain.

Harry R. Hughes Center for Agro-Ecology; Del. Tom Hucker (D-Montgomery); FDA. Graphic by Bonnie Berkowitz and Alberto Cuadra/The Washington Post;. Published on May 20, 2012, 11:46 p.m.

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