Tyson Foods plans to cut human antibiotics in U.S. chicken flocks by 2017
April 28, 2015 at 04:00 AM EDT
CHICAGO, April 28 (Reuters) - Tyson Foods Inc, the largest U.S. poultry producer, plans to eliminate the use of human antibiotics in its chicken flocks by September 2017 - one of the most aggressive timelines yet set by an American poultry company.