This bulletin presents the final estimates, including revisions, made by the Agricultural Statistics Board (ASB) for livestock operations. It reports on the number of operations, inventory by size, value per head, and total value of livestock. This publication contains data from years 1920 to 2007. Reference Cattle - Final Estimates for corresponding information about cattle and beef cow inventory; Hogs and Pigs - Final Estimates for corresponding information about hog inventory; and Sheep and Goats - Final Estimates for corresponding information about sheep inventory. Inventory values and value per head for cattle, hogs, and sheep will be published in the Meat Animals, PDI - Final Estimates.