Goats on road (IMAGE) Penn State Caption Animals in herds that are the sole source of an owner's livelihood are more likely to become infected with PPRV compared to those whose owners rely on a mix of livestock and agriculture. This suggests that herd management style should be considered when prioritizing efforts to contain the virus. Credit pxhere.com Usage Restrictions Creative Commons Zero (CC0) license 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.