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Phylogenetic and biofilm formation in the wool sheep E. coli from two different farming systems (n = 500). The box inside represented the result of the biofilm formation. N1 indicated unclassified phylogroups. Based on the OD the strain’s biofilm formation was determined as: no biofilm formation N2, weak (1+) and moderate (2+) biofilm formation. Red and green colors indicated intensive and free-range, respectively.
