Affiliation: | 1. Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, Italy;2. Veterinarian fish pathologist, Verona, Italy;3. Department of Veterinary Medical Sciences, Alma Mater Studiorum University of Bologna, Ozzano Emilia, Italy;4. Istituto Zooprofilattico Sperimentale delle Venezie, Adria, Italy |