Tuberculosis in Southern Brazilian wild boars (Sus scrofa): First epidemiological findings

Transboundary and Emerging Diseases
A L G MacielF Q Mayer

Abstract

Bovine tuberculosis (bTB) is a zoonosis caused mainly by Mycobacterium bovis that affects domestic and wild animals. In Brazil, there are no epidemiological studies on tuberculosis in wild animal populations and their possible role in the disease maintenance in cattle herds; thus, the aim of this study was to evaluate the occurrence of tuberculosis in wild boars in Rio Grande do Sul, southern Brazil. Tissue samples of animals hunted under government consent were submitted to histopathology and M. bovis polymerase chain reaction (PCR) as screening tests; the positive samples were subsequently submitted to bacterial isolation, the gold standard diagnosis. Eighty animals were evaluated, of which 27.9% and 31.3% showed histopathological changes and M. bovis genome presence, respectively. Moreover, 23.8% of the animals had at least one organ with isolates classified as Mycobacterium tuberculosis complex (MTC). Three hunting points were risk factors for positive results on screening tests. This study shows the occurrence of tuberculosis in a wild boars' population, and raise the possibility of these animals to play a role as disease reservoirs in southern Brazil. These results may help to improve the Brazilian tuberculosis control pr...Continue Reading

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Citations

Nov 28, 2018·Foodborne Pathogens and Disease·Maria Fredriksson-Ahomaa
Jun 19, 2020·Pathogens·Ana BalseiroMaría A Risalde
Jul 13, 2019·Frontiers in Veterinary Science·Soledad BarandiaranAndrés M Perez
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Jul 30, 2020·Transboundary and Emerging Diseases·Diego Rodrigo Torres SeveroVirgínia Santiago Silva
Jun 13, 2020·Transboundary and Emerging Diseases·Ana Paula Muterle VarelaFabiana Quoos Mayer
Jan 5, 2021·Molecular Biology Reports·Bruna Correa LopesFabiana Quoos Mayer
Feb 26, 2021·Veterinary Research·Jobin ThomasMaría A Risalde
May 22, 2021·Microbial Genomics·Rudielle de Arruda RodriguesAndries J van Tonder
May 30, 2021·Comparative Immunology, Microbiology and Infectious Diseases·Bruna Correa LopesFabiana Quoos Mayer

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