Vet Med - Czech, 2007, 52(10):430-436 | DOI: 10.17221/2048-VETMED

Genetic variability of Mycobacterium avium subsp. avium of pig isolates

M. Moravkova1, M. Bartos1,2, L. Dvorska-Bartosova1, V. Beran1, I. Parmova3, M. Ocepek4, M. Pate4, I. Pavlik1
1 Veterinary Research Institute, Brno, Czech Republic
2 Veterinary and Pharmaceutical University, Brno, Czech Republic
3 State Veterinary Institute, Prague, Czech Republic
4 Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia

The genetic diversity of 132 pig isolates of Mycobacterium avium subsp. avium (MAA) from the Czech Republic, the Slovak Republic and Slovenia was examined by IS901 restriction fragment length polymorphism (RFLP) analysis with restriction endonuclease PvuII. A total of 18 RFLP types were detected. The occurrence frequency of respective RFLP types varied between respective pig farms, with the exception of one RFLP type F found in 21 (34.4%) of 61 farms and in 10 (55.6%) of 18 farms in the Czech Republic and Slovak Republic, respectively. Two different RFLP types were detected in 5 (33.3%) of the 15 studied farms, from which more than one isolate were examined. These results show the low variability of the MAA isolates among the pig farms and the possibility of various sources of infection for pigs from infected farms.

Keywords: avian tuberculosis; food safety; molecular epidemiology; mycobacteriosis; zoonosis

Published: October 31, 2007  Show citation

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Moravkova M, Bartos M, Dvorska-Bartosova L, Beran V, Parmova I, Ocepek M, et al.. Genetic variability of Mycobacterium avium subsp. avium of pig isolates. Vet Med - Czech. 2007;52(10):430-436. doi: 10.17221/2048-VETMED.
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