Available forage

That portion of the forage, expressed as weight of forage per unit land area, accessible for consumption by a specified kind, class, sex, age, size, and physiological status of a grazing animal. Calculated as: (lbs DM/paddock) = total forage (lbs DM/A) * paddock area (A/paddock) * desired utilization (%). [Source: USDA National Plant Materials Manual]