Distribution of non-tuberculosis mycobacteria in environmental samples from a slaughterhouse and in raw and processed meats

https://doi.org/10.17221/120/2008-CJFSCitation:Shitaye J.E., Horvathová A., Bartošová L., Morávková M., Kaevska M., Donnelly N., Pavlík I. (2009): Distribution of non-tuberculosis mycobacteria in environmental samples from a slaughterhouse and in raw and processed meats. Czech J. Food Sci., 27: 194-202.
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The notification of all cases of diagnosed bovine tuberculosis is a statutory requirement, while the same is not true for other mycobacterial infections. Thus, the establishment of the true incidence of infection with non-tuberculous mycobacteria (NTM) is difficult. The aim of this study was to describe the incidence of NTM in environmental samples from a pig slaughterhouse and from raw and processed meat samples collected from supermarkets and butchers. Three species of mycobacteria (M. chelonae, M. kansasii, and M. intermedium) were detected in 8.0% of the environmental samples from a pig slaughterhouse and in 9.3% of raw and 7.7% of processed meat, respectively. The isolation of a single NTM species from these samples is a disturbing finding and means that raw meat may be a potential pathway for the transmission of NTM infections to humans.
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