Yersinia belong to the order Enterobacteriales. Yersinia (Y.) pseudotuberculosis is the causative agent of pseudotuberculosis/rodentiosis, an infectious disease all mammalian and bird species can contract. For instance, rodents and cats are predisposed. The pathogen has a high tenacity. In the soil, the pathogen remains infectious for months.
Y. enterocolitica causes enterocolitis in humans and animals. Immunopathological reactions can lead to arthritis, arthrosis and skin diseases. Animals, especially pigs, sheep and poultry, often act as pathogen reservoir. Dogs rarely become ill, if at all, puppies are mainly affected. The infection manifests itself as enteritis, resulting in mucous to bloody diarrhoea. Especially in Y. pseudotuberculosis infections, abscesses can occur in various organs.Y. pseudotuberculosis can also play a role in wild ruminants (game enclosures!).
Just like Y. enterocolitica, Y. pseudotuberculosis is a zoonotic agent!