Authors
Elena Atanaskova Petrov
University Ss. Cyril and Methodius - Skopje, Faculty of Veterinary Medicine, Skopje
Irena Celeska
University Ss. Cyril and Methodius - Skopje, Faculty of Veterinary Medicine, Skopje
Zagorka Popova
University Ss. Cyril and Methodius - Skopje, Faculty of Veterinary Medicine, Skopje
Kiril Krstevski
University Ss. Cyril and Methodius - Skopje, Faculty of Veterinary Medicine, Skopje
Igor Djadjovski
University Ss. Cyril and Methodius - Skopje, Faculty of Veterinary Medicine, Skopje