Outbreak investigators for the Food and Drug Administration this week released details of what they found at two Iowa egg processing firms implicated in a nationwide salmonella outbreak. It was the FDA's first time inspecting Wright County Egg and Hillandale Farms and they found mounds of manure, rodents, rodent holes, flies and other vermin. Yet the U.S. Department of Agriculture has had egg graders on site at both firms at least 40 hours a week -- including before the outbreak began. According to USDA's Regulations Governing the Voluntary Grading of Shell Eggs, the agency's workers were supposed to enforce rules against rodents and vermin. Why didn't they see the problems found by FDA?
Check out USA TODAY's report: USDA egg graders on site before recall come under fire
