FEATURE-Addicted to antibiotics, Chile's salmon flops at Costco, grocers
July 23, 2015 at 08:59 AM EDT
SANTIAGO, July 23 (Reuters) - Chile's salmon farmers are using record levels of antibiotics to treat a virulent and pervasive bacteria, driving away some U.S. retailers including Costco Wholesale Corp, which is turning to antibiotic-free Norwegian salmon.