Figure 1From: Serotypes, virulence genes, and PFGE profiles of Escherichia coliisolated from pigs with postweaning diarrhoea in SlovakiaDendrogram generated by Bionumeric software, showing distance calculated by the Dice similarity index of PFGE XbaI profiles among 46 strains isolated from PWD pigs. The degree of similarity (%) is shown on the scale.Back to article page