Cows in Pasture (IMAGE) University of Tennessee Institute of Agriculture Caption Researchers from UTIA have received a grant to study native warm-season perennial grasses for organic livestock feed production. Photo by P. Keyser, courtesy UTIA. Credit Patrick Keyser Usage Restrictions N/A 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.