Natural Disinfection of Hatching Eggs (IMAGE) Graz University of Technology Caption Gabriele Berg and Tomislav Cernava from the Institute for Environmental Biotechnology at TU Graz use microorganisms for the natural disinfection of hatching eggs. Credit © Lunghammer - TU Graz 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.