Fig. 1

Comparing the detection rates of virulence genes between K1K2 strains and non-K1K2 strains. *, P < 0.05; **, P < 0.01; ***, P < 0.001
Comparing the detection rates of virulence genes between K1K2 strains and non-K1K2 strains. *, P < 0.05; **, P < 0.01; ***, P < 0.001