Yukinori Yoshimura, Hiroshima University (image) Hiroshima University Share Print E-Mail Caption Hiroshima University has a long history of studying sperm storage in the oviduct to consider how to improve fertility in chickens. Credit Image courtesy of the Graduate School of Biosphere Science, Hiroshima University. Usage Restrictions Image may only be re-used with attribution. Share Print E-Mail 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.