Optimising finishing pig delivery weight: participatory decision problem analysis F. Leen A,B , A. Van den Broeke A , M. Aluwé A , L. Lauwers A,B , S. Millet A and J. Van Meensel A,C A Institute for Agricultural and Fisheries Research (ILVO), Burg. Van Gansberghelaan 115, Box 2, 9820 Merelbeke, Belgium. B Department of Agricultural Economics, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium. C Corresponding author. Email: jef.vanmeensel@ilvo.vlaanderen.be