Cow (IMAGE) University of Sussex Caption Urgent need for alternatives to widely used treatments for cattle, after research reveals devastating impact of anti-parasitics on wildlife. Credit © Fiona Mathews Usage Restrictions Credit Fiona Mathews, University of Sussex 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.