A number relating the forage dry matter intake (oven-dry basis) of a particular kind or class of animal relative to one AU. If intake is not known, it can be estimated from the ratio of the metabolic weight of the animal in question to the metabolic weight of one AU (450 kg to the .75 power). Abbr. AUE

Society for Range Management. 1998. Glossary of terms used in range management, fourth edition. Edited by the Glossary Update Task Group, Thomas E. Bedell, Chairman. Used with permission.