Scientists have discovered a gene in E. coli that makes it resistant to a class of “last-resort” antibiotics known as polymyxins. The gene can also transfer resistance to other epidemic
The U.S. Food and Drug Administration is taking its biggest step yet to rein in the indiscriminate use of antibiotics that help food animals grow bigger, faster. The agency
Recently several batches of dog food have been recalled because they were found to have levels of aflatoxins above acceptable limits. Aflatoxins develop when the mold Aspergilus forms on corn,