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Multi-Etiological Nature of Tuberculosis-Like Lesions in Condemned Pigs at the Slaughterhouse

Investigación publicada en PLoS ONE

29 de septiembre de 2015

Tuberculosis-like lesions (TBL) in pigs have been associated with microorganisms other than mycobacteria. In this work a histopathological and microbiological evaluation of TBL in pigs is shown. A total of 352 samples belonging to 171 pigs totally condemned at slaughterhouse due to generalized TBL were sampled and selected for analysis. Pyogranulomatous (56.2%) and granulomatous lesions (20.2%) were observed in all analysed organs. Most of the granulomas observed in both lymph nodes and lungs belonged to more advanced stages of development (stages III and IV) whereas in the liver and the spleen most of lesions belonged to intermediate stages (stages II and III). Different microorganisms were simultaneously detected from TBL in the 42.7% of the animals. Mycobacterium tuberculosis complex (MTC) (38%), coryneform bacteria (40.3%) and streptococci (28.1%) were the main groups of microorganisms detected after bacteriological analysis, with Trueperella pyogenes and Streptococcus suis as the most frequently isolated species. Mycobacteria belonging to MTC were the most frequently detected pathogens in granulomatous and pyogranulomatous lesions in submandibular lymph nodes (32.7%) and coryneform bacteria were the microorganisms more frequently isolated from lungs (25.9%) and spleen samples (37.2%). These results may provide new insights into the pathogenesis and diagnosis of this pathology. The importance of coryneform bacteria and streptococci in such processes must be evaluated in future studies




Cardoso-Toset F., Gomez-Laguna J., Amarilla SP., Vela AI., Carrasco L., Fernandez-Garayzabal JF., Astorga R. y Luque I.




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Multi-Etiological Nature of Tuberculosis-Like Lesions in Condemned Pigs at the Slaughterhouse

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Multi-Etiological Nature of Tuberculosis-Like Lesions in Condemned Pigs at the Slaughterhouse


Participantes:

Universidad de CórdobaDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad de Córdoba (UCO).

Centro de Investigación y Calidad AgroalimentariaCentro de Investigación y Calidad Agroalimentaria (CICAP).

Universidad ComplutenseServicio de Identificación y Caracterización Microbiana (ICM). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).







PLoS ONE
FACTOR YEAR Q
3.057 2015

NLMID: 101285081

PMID: 26418681

ISSN: 1932-6203



TÍTULO: Multi-Etiological Nature of Tuberculosis-Like Lesions in Condemned Pigs at the Slaughterhouse


REVISTA: PLoS ONE


NUMERACIÓN: 10(9):e0139130


AÑO: 2015


EDITORIAL: Public Library Science


AUTORES: Cardoso-Toset F., Gomez-Laguna J., Amarilla SP., Vela AI., Carrasco L., Fernandez-Garayzabal JF., Astorga R. and Luque I.


PARTICIPANTES VISAVET


4th
Ana Isabel Vela Alonso
6th
José Francisco Fernández-Garayzabal Fernández

DOI: https://doi.org/10.1371/journal.pone.0139130


CITA ESTA PUBLICACIÓN:

Cardoso-Toset F., Gomez-Laguna J., Amarilla SP., Vela AI., Carrasco L., Fernandez-Garayzabal JF., Astorga R. y Luque I. Multi-Etiological Nature of Tuberculosis-Like Lesions in Condemned Pigs at the Slaughterhouse. PLoS ONE. 10(9):e0139130. 2015. (A). ISSN: 1932-6203. DOI: 10.1371/journal.pone.0139130


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