1. Clinical Veterinary Medicine Department, Faculty of Veterinary Medicine, University of Thessaly, 431 00 Karditsa, Greece
2. Laboratory of Pathology, School of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
3. Department of Animal Husbandry and Nutrition, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, 431 00 Karditsa, Greece
4. Department of Animal Science, Agricultural University of Athens, 118 55 Athens, Greece