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The proportion of env-LTR sequences for each taxon that were in each of the clades or groups. All enJSRV types were named according to the groups established by Arnaud et al. (2007), in which the different enJSRV copies were clustered depending on their presence or absence in different species of the sheep lineage. The proportion of enJSRV-A and enJSRV-B copies for each species is also shown. A highly dissimilar copy found in chamois is tagged with a question mark.
