1. Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Coupure Links, Ghent, Belgium
2. Department of animal science, Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Animal Sciences Unit, Scheldeweg, Melle, Belgium
3. Department of Morphology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan, Merelbeke, Belgium