Answers Pet Food disputes FDA’s salmonella warning. The FDA announced on Jan. 14th that the Nebraska Department of Ag tested Answers Straight Beef Formula and found Salmonella. Lystn, (d/b/a Answers) said that one random sample by the Nebraska Department of Ag on Dec. 10 tested positive for Salmonella, but four subsequent samples of a larger quantity tested negative. "It is Lystn’s belief (as well as our science advisors) that the initial sample sent from Nebraska may have been cross-contaminated in the lab, transport or elsewhere and should not be considered a representative sample," the company said. Go Answers for standing their ground.