Figure 1From: Prevalence and genetic characteristics of Salmonella in free-living birds in Poland The ERIC-PCR analysis and virulence genes of Salmonella serovars: Typhimurium, Hadar, Infantis, and Virchow. Black indicates the presence of the gene, white indicates the absence of the gene, boldfaces in text indicate that the strain was isolated from dead bird; explanation of environmental numbers, see legend of Table 1.Back to article page