1. Animal and Veterinary Research Centre (CECAV), Vila Real, Portugal
2. Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal
3. Pathology Laboratory, UEISPSA, National Institute for Agricultural and Veterinary Research (INIAV), I.P, Oeiras, Portugal
4. Polytechnic Institute of Castelo Branco (IPCB), Castelo Branco, Portugal