Molecular Biology and Bioinformatics Unit (MOLBINFO), Department of Biology, University of Padua, via U. Bassi 58/B, 35131, Padova, Italy. irene.righetto@bio.unipd.it.|FAO-OIE and National Reference Laboratory for Newcastle Disease and Avian Influenza, Istituto Zooprofilattico delle Venezie (IZSVe), viale dellUniversità 10, 35020, Legnaro, Italy. amilani@izsvenezie.it.|FAO-OIE and National Reference Laboratory for Newcastle Disease and Avian Influenza, Istituto Zooprofilattico delle Venezie (IZSVe), viale dellUniversità 10, 35020, Legnaro, Italy. gcattoli@izsvenezie.it.|Molecular Biology and Bioinformatics Unit (MOLBINFO), Department of Biology, University of Padua, via U. Bassi 58/B, 35131, Padova, Italy. francesco.filippini@unipd.it.