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Revista argentina de microbiología
Print version ISSN 0325-7541On-line version ISSN 1851-7617
Abstract
SEITZ, Jimena et al. Ureaplasma diversum-Ureaplasma sp. alone or concomitantly with Mycoplasma hyopneumoniae in pig lungs with and without pneumonia: A descriptive exploratory study in abattoirs. Rev. argent. microbiol. [online]. 2023, vol.55, n.3, pp.12-12. ISSN 0325-7541. http://dx.doi.org/10.1016/j.ram.2023.02.003.
Occurrence of Ureaplasma diversum (U. diversum) has been associated with repro-ductive failures in cattle and detected in pigs with and without pneumonia. However, its rolein the porcine respiratory disease complex (PRDC) is unclear. A cross-sectional study was con-ducted in abattoirs, inspecting 280 pig lungs from eight herds. All the lungs were inspected,processed and classified according to the histopathological analysis. Moreover, bronchoalveolarlavage (BAL) specimens were collected and processed by PCR for detection of U. diversum andMycoplasma hyopneumoniae (M. hyopneumoniae). Ureaplasma sp.---U. diversum and M. hyop-neumoniae were detected in 17.1% and 29.3% of the analyzed BAL specimens, respectively. Theconcomitant presence of both microorganisms was detected in 12.5% of the inspected lungs.Both agents were found in lungs with and without pneumonia. M. hyopneumoniae was detectedin 31.8% of pig lungs with enzootic pneumonia-like lesions, while Ureaplasma sp.---U. diversumwas detected in 27.5% of lungs with these lesions. This descriptive exploratory study providesinformation for future experimental and field-based studies to better define the pathogenicrole of this organism within the PRDC.
Keywords : Pigs; Porcine respiratorydisease complex; Enzooticpneumonia-likelesion; Ureaplasma sp.