Pig in greenery (IMAGE) Aarhus University Caption The new knowledge makes it possible to breed more climate-friendly pigs in the future. Credit Lars Kruse, AU Photo Usage Restrictions Remember to give appropriate credit to photographer. License Original 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.