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Phylogenetic analysis of SRLV 1.1-kb pol sequences from goats (G designations) and sheep (S designations) of farm A, together with sequences from the Interlaken goats (cluster B), demonstrating goat-to-sheep transmission. The G5745 sequence used as the outgroup is the most closely related sequence and belongs to SRLV subtype A4. For the position of the G5745 sequence within subtype A4, refer to Fig. 3.
