Fig. 2
From: Detection of ALV p27 in cloacal swabs and virus isolation medium by sELISA
Comparison of env gene sequences of the positive samples (1–10) with those of other ALVs. Phylogenetic tree analysis using the neighbor-joining method (bootstrap method with 1000 replicates). ALV subgroups A-E and J are shown on the right. Bars, substitutions per nucleotide position