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These animals cohabited with other nocturnal animal species in a dome of a private zoo in Switzerland.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Gross and histological analysis of two (14.3%) out of the 13 animals submitted for necropsy within this period revealed a necrosuppurative pneumonia, hepatitis, splenitis, enterocolitis, and endometritis, with abundant intralesional colonies of Gram-negative rods.<jats:italic>Yersinia<\/jats:italic>(<jats:italic>Y.<\/jats:italic>)<jats:italic>pseudotuberculosis<\/jats:italic>serotype O:1 and biotype 1 belonging to the sequence type ST90 was isolated from the affected organs in both animals. Following this diagnosis, \u00bc of the colony (99 animals) was culled and submitted for gross and histopathological analysis, and a bacterial culture selective for<jats:italic>Yersinia<\/jats:italic>spp. of lung, liver, and spleen was performed. From these 99 animals, one gravid female was tested and found to be positive for<jats:italic>Y. pseudotuberculosis<\/jats:italic>in the absence of clinical symptoms and histopathological lesions<jats:italic>.<\/jats:italic>PCR analysis of altogether three bacterial isolates for virulence factors revealed the presence of the<jats:italic>ail<\/jats:italic>gene, and one isolate was also positive for the<jats:italic>virF<\/jats:italic>and<jats:italic>yadA<\/jats:italic>plasmid genes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>These findings suggest that<jats:italic>Carollia perspicillata<\/jats:italic>are susceptible to lethal yersiniosis but do not represent a regular reservoir for<jats:italic>Y. pseudotuberculosis<\/jats:italic>. Culling of \u00bc of the population was sufficient to limit the spread of this infection among the colony. Moreover, no infections were detected in cohabitant nocturnal animals and caretakers, indicating that the zoonotic risk in this case was low.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12917-021-02796-y","type":"journal-article","created":{"date-parts":[[2021,2,27]],"date-time":"2021-02-27T10:03:36Z","timestamp":1614420216000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Yersinia pseudotuberculosis serotype O:1 infection in a captive Seba\u2019s short tailed-fruit bat (Carollia perspicillata) colony in Switzerland"],"prefix":"10.1186","volume":"17","author":[{"given":"K.","family":"Hahn","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I. 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