1. Department of Food and Drug, University of Parma, Strada del Taglio 10, 43126 Parma, Italy
2. Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna “Bruno Ubertini”, 25124 Brescia, Italy
3. Department of Veterinary Medicine Sciences, University of Parma, Strada del Taglio 10, 43126 Parma, Italy