1. Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
2. Research Unit of Nutrition, Department of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark
3. Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
4. Copenhagen Zoo, Frederiksberg, Denmark
5. Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Uppsala, Sweden
6. Centre for Quantitative Genetics and Genomics, Aarhus University, Tjele, Denmark