ALV-J strains used in the construction of phylogenetic trees.

a Isolates 1 to 7 are wild bird strains identified in this study. Isolates 8 to 13 are the prototype and American strains. Isolates 14 to 22 are Chinese broiler isolates. Isolates 23 to 34 are Chinese layer isolates. Isolates 35 to 38 are Chinese local chicken isolates.