In addition, it has been shown that Y. enterocolitica 4/O:3 can grow well on raw cheek meat packaged in MA at 6 °C even in the presence of high number of lactic acid bacteria emphasizing pork, cheek meat in particular, as an important source of pathogenic Y. enterocolitica. Previously, Y. enterocolitica has been isolated from 8 to 36% of pig cheeks