J APER*, B DE CAUWER†, S DE ROO†, M LOURENC O‡, V FIEVEZ‡, R BULCKE† & D REHEUL§ *Plant Sciences Unit, Applied Genetics and Breeding, Institute for Agricultural and Fisheries Research, Melle, Belgium, †Weed Science Unit, Department of Plant Production, Ghent University, Gent, Belgium, ‡Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Production, Ghent University,...