Affiliation: | 1.Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna [Experimental Zooprophylactic Institute of Lombardy and Emilia Romagna],Brescia,Italy;2.GKL S.a.s, Casalfiumanese (Bo),Casalfiumanese,Italy;3.Biomin GmbH Getzersdorf,Getzersdorf,Austria;4.Department of Veterinary Sciences,University of Parma,Parma,Italy;5.Department of Veterinary Public Health and Food Safety,Istituto Superiore di Sanità,Rome,Italy |