Hog Tied (IMAGE) University of Iowa Caption A new University of Iowa study reports swine farmers are six times more likely to have staph bacteria than others. Credit Lynn Betts, USDA Natural Resources Conservation Service Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.