1. School of Agrarian and Veterinary Sciences, DCV, CECAV, Center of Animal Science and Veterinary, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
2. Directorate-General for Food and Veterinary, Lisbon, Portugal
3. Animal Behaviour and Welfare Laboratory, Center of Interdisciplinary Investigation in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal