Finding Ancient Ancestors (image) University of Missouri-Columbia Caption MU researchers have found ancient ancestors of cattle, going back as far as 29 million years ago. The research could lead to more efficient and healthier cattle and a better understanding of human disease. Credit MU College of Agriculture Usage Restrictions None 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.