Goat at Santa Barbara Zoo (IMAGE) University of California - Santa Barbara Caption Ruminants like goats, cows and sheep host anaerobic microbes that can break through tough plant cell walls to gain the nutrition behind them Credit UC Santa Barbara Usage Restrictions For Use with Credit 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.