This preliminary report of a survey of the formula feed industry summarizes the physical output, potential capacity, and number of U.S. establishments manufacturing prepared livestock and poultry feeds in 1969. Production is shown for primary and secondary feed processing. Primary feed is further classified as complete, supplement, and premix (a carrier for microingredients) feeds. Output is also shown by size of production, by ownership, by region and State, and by methods of disposition. Output by establishments using several methods or only one method of feed disposition is given.