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Revista argentina de microbiología
versão impressa ISSN 0325-7541versão On-line ISSN 1851-7617
Resumo
DORSCH, Matías A. et al. Placentitis and abortion caused by a multidrug resistant strain of Campylobacter fetus subspecies fetus in a sheep in Uruguay. Rev. argent. microbiol. [online]. 2022, vol.54, n.1, pp.21-30. ISSN 0325-7541. http://dx.doi.org/10.1016/j.ram.2021.02.005.
Campylobacter fetus fetus (Cff) is a major infectious cause of abortion in sheep worldwide, and an opportunistic human pathogen. Information on Cff as an ovine abortifacient in South America is limited. We describe a case of abortion caused by a multidrug resistant strain of Cff in a sheep in Uruguay. In August 2017, 3/57 pregnant ewes (5.3%) aborted whithin one week. Histopathologic examination of the placenta of an aborted ewe revealed severe neutrophilic and fibrinonecrotizing placentitis with vasculitis and thrombosis of the chorionic arterioles. Cff was isolated on microaerobic culture in Skirrow agar, and further confirmed by 16S rDNA PCR amplification and sequencing, and endpoint and real time PCR assays. Antimicrobial sensitivity testing revealed resistance to tetracyclines, nalidixic acid, telithromycin and clindamycin. Other abortifacients were not detected. Further studies are necessary to determine the geographic distribution, ecology, epidemiology, economic impact, and antimicrobial resistance of Cff in sheep flocks in Uruguay.
Palavras-chave : Campylobacter fetus subsp. fetus; Abortion; Ovine campylobacteriosis; Placentitis; Antibiotic resistance; South America..