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Lung tuberculosis in a horse caused by Mycobacterium avium subsp. avium of serotype 2: a case report

Interstitial pneumonia (2/3 of the lungs were affected) and diffusely enlarged bronchial and mediastinal lymph nodes were diagnosed by gross examination of a dead 16-year-old mare. Based on histopathological examination and the detection of acid-fast rods after staining by the Ziehl-Neelsen techniqu...

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Published in:Veterinární medicína 2008-02, Vol.53 (2), p.111-116
Main Authors: Pavlik, I.,Vyzkumny Ustav Veterinarniho Lekarstvi, Brno (Czech Republic), Jahn, P.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic), Moravkova, M.,Vyzkumny Ustav Veterinarniho Lekarstvi, Brno (Czech Republic), Matlova, L.,Vyzkumny Ustav Veterinarniho Lekarstvi, Brno (Czech Republic), Treml, F.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic), Cizek, A.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic), Nesnalova, E.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic), Dvorska-Bartosova, L.,Vyzkumny Ustav Veterinarniho Lekarstvi, Brno (Czech Republic), Halouzka, R.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic)
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Language:English
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Summary:Interstitial pneumonia (2/3 of the lungs were affected) and diffusely enlarged bronchial and mediastinal lymph nodes were diagnosed by gross examination of a dead 16-year-old mare. Based on histopathological examination and the detection of acid-fast rods after staining by the Ziehl-Neelsen technique, tuberculosis was suspected. Mycobacterium avium subsp. avium of serotype 2 and IS901+/IS1245+ genotype was isolated from the pulmonary lymph node after five-week incubation at 37 deg C. Due to the fact that horses have a naturally high resistance to mycobacterial infections, the high age of the mare most likely contributed to the development of the disease.
ISSN:0375-8427
1805-9392
DOI:10.17221/1987-VETMED