Fig. 1From: Prevalence of human pathogenic Yersinia enterocolitica in Swedish pig farmsa Yersinia enterocolitica bioserotype 2/O:9 isolate, displaying pink colour with a mauve coloured “bull´s eye”, on CHROMagar™ Y. enterocolitica (CAY) plate incubated at 25 °C for 24–48 h. b Swarming colonies of a Yersinia enterocolitica bioserotype 1B/O:8 isolate on CHROMagar™ Y. enterocolitica (CAY) plate incubated at 25 °C for 24–48 hBack to article page