HUNGARY / 26 November 2002--Duck liver production. -- The ducks stay in solitary cages with little space for movment during the two weeks force-feeding period. They are fed 3-4 times a day. They consume 0.75 kg - 1.75 kg of feed per day. The feed ration is raised gradually until they are ready for slaughter and their liver weighs 550-600 grams.-- PHOTO: EUP-IMAGES.COM / JUHA ROININEN