Click on a headline below to view the desired abstract. The print version    opens all abstracts at once. Amounts of whey and their use in Germany       H. Wietbrauk FH Hannover, FB: Bioverfahrenstechnik, Heisterbergallee 12, D-30453 Hannover-Ahlem Abstract In 1998 the quantity of whey from cheese production amounted to about 12 mio. t. Sweet whey has a portion of 68 %, sourish whey 24 % and 8 % is imported. The production volume of whey products such as whey protein, whey lactose and whey powder are given and discussed.   Zusammenfassung Im Jahre 1998 betrug das Molkeaufkommen nahezu 12 Mio. t, wovon der Anteil an Süßmolke 68 % und der Anteil an Sauermolke 24 % betrugen. Der Anteil an importierter Molke belief sich auf 8 %. Der Umfang der Herstellung von Erzeugnissen aus Molke wie Protein, Laktose oder Molkenpulver wird aufgezeigt und diskutiert. Liquid whey in pig feeding Investigations on composition of whey products as well as on effects of sulfate concentrations in milk replacers on faeces composition in calves Food refusals - nutrient content and andisired substances Controlling risks management when processing organic secondary waste products from the food industries: a modern recycling plant as an example Utilization of garbage in pig fattening On particle size of diets for pigs based on by-products/refusals from food production Feeding value of crambe by-products Fermented rye bran - an interesting ingredient and an example for an significant technology Unconventional/unusual feedstuffs in animal nutrition - a variety by means of examples Controlling associations for by-products - systematic improvement of marketing - Investigations on the use of liquid conserved sugar beets in cattle Expandat� of dried beet pulp for cattle feeding Conceptions of quality assurance for by-products of sugar beet processing Importance of the technology on utilization and quality of molasses Use of by-products in liquid pig feeding