UPDATE 1-Burger King aims to curb antibiotics in chicken supply
December 28, 2016 at 15:45 PM EST
CHICAGO/LOS ANGELES, Dec 28 (Reuters) - Restaurant chains Burger King and Tim Hortons plan to switch to chicken raised without antibiotics considered "critically important" to human medicine, their owner Restaurant Brands International Inc said on Wednesday, making it the latest food company to distance itself from the drugs.