Affiliation: | (1) Department of Public Health, Comparative Pathology and Veterinary Hygiene School of Veterinary Medicine, University of Padua, Agripolis, Legnaro;(2) Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle D’Aosta, National Reference Centre of Veterinary and Comparative Oncology, Genoa, Italy |