1. Department of Nutrition; Genetics and Ethology; Faculty of Veterinary Medicine; Ghent university; Merelbeke Belgium
2. Department of Obstetrics; Reproduction and Herd Health; Faculty of Veterinary Medicine; Ghent University; Merelbeke Belgium
3. Ceva Sante Animale S.A./N.V; Avenue de la Métrologielaan 6 Brussels 1130 Belgium