Fig. 7From: Full-length genome sequence analysis of enzootic nasal tumor virus isolated from goats in ChinaPhylogenetic analysis of caprine and ovine betaretroviruses. Phylogenetic analysis of the evolutionary relationship between the (a) gag gene sequence and the (b) env gene sequence of ENTV-2, ENTV-1 and JSRV isolates. Phylogenetic analyses were conducted using MegAlign and all positions containing gaps and missing data were eliminated from the datasetBack to article page