Ash, 1992. AER-656, Commodity Economics, Division, Economic Research Service, USDA Document reference Ash, M. S., 1992. Animal feeds compendium. AER-656, Commodity Economics, Division, Economic Research Service, USDAWeb http://naldc.nal.usda.gov/catalog/CAT92980639Citation key Ash, 1992Datasheets Corn gluten feedCottonseed mealOatsWheat bran