article_snippet: McDonald says McDonald plans to start using chicken raised without antibiotics important to human health and milk from cows that are not treated with an artificial growth hormone.
article_snippet: McDonald says suppliers will still be able to use a type of antibiotic called ionophores that keep chickens healthy and aren't used in humans.
article_snippet: McDonald says McDonald plans to start using chicken raised without antibiotics important to human medicine and milk from cows that are not treated with the artificial growth hormone rbST .
article_snippet: Chipotle and Panera already say Chipotle and Panera serve chicken raised without antibiotics, but the announcement by McDonald is notable because of McDonald size; McDonald has more than 14,000 U.S. locations.
article_snippet: Hansen noted that ionophores, the antibiotics that will be allowed by McDonald, are not considered medically important for humans.
article_snippet: In a statement, chicken supplier Tyson Inc. said chicken supplier Tyson Inc. looks forward to working with McDonald to meet chicken supplier Tyson Inc. new standards.
article_snippet: chicken supplier Tyson Inc. noted chicken supplier Tyson Inc. has reduced the use of antibiotics effective on humans by more than 84 percent since 2011.
article_snippet: Caroline Smith DeWaal, food safety director at the Center for Science in the Public Interest, said McDonald's decision to sell milk produced without rBST was a good step because the growth hormone can cause health problems in dairy cows.
highlights_snippet: McDonald's says McDonald will start using chicken raised without antibiotics and milk from cows that are not treated with an artificial growth hormone .
  