UPDATE 1-Wal-Mart U.S. asks meat suppliers to reduce antibiotic use
May 22, 2015 at 10:56 AM EDT
May 22 (Reuters) - Wal-Mart Stores Inc said its U.S. units were asking meat suppliers to reduce the use of antibiotics in animals, joining the list of U.S. companies that have responded to consumer and government concerns over the excess use of drugs in livestock.