In developed market economies with intensive animal production systems, such as The Netherlands, many new feedstuffs have been introduced as part of the diets of ruminant and monogastric animals. These new feedstuffs are often by-products of human food processing. It is important that these by-products and also the by-products from wastes are properly evaluated with regard to the possibilities of incor- porating them into livestock diets. Research on the subject of feed from waste, its processing and its use in the nutrition of poultry has increased considerably during the last decade. The...