DISSEMINATED MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS INFECTION IN TWO WILD EURASIAN OTTERS (LUTRA LUTRA L.) FROM PORTUGAL

Disseminated Mycobacterium avium subsp. paratuberculosis (MAP) infections were found in two Eurasian otters (Lutra lutra, L. 1758) killed by vehicular trauma in February and March 2010 in Castelo Branco, Portugal. At postmortem examination, the organs showed no significant gross alterations; however...

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Bibliographic Details
Published in:Journal of zoo and wildlife medicine 2013-03, Vol.44 (1), p.193-195
Main Authors: Matos, Ana Cristina, Figueira, Luis, Martins, Maria Helena, Matos, Manuela, Álvares, Sofia, Pinto, Maria Lurdes, Coelho, Ana Cláudia
Format: Article
Language:English
Subjects:
Animals
Animals, Wild
BRIEF COMMUNICATIONS
Culture
Eurasian otters
Infections
Lutra lutra
Lymph nodes
Mammals
Mycobacterium avium
Mycobacterium avium subsp. paratuberculosis
Mycobacterium avium subsp. paratuberculosis - isolation & purification
Nature conservation
Otters
Paratuberculosis
Paratuberculosis - epidemiology
Paratuberculosis - pathology
PCR
Polymerase chain reaction
Portugal - epidemiology
Wildlife conservation
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Summary:Disseminated Mycobacterium avium subsp. paratuberculosis (MAP) infections were found in two Eurasian otters (Lutra lutra, L. 1758) killed by vehicular trauma in February and March 2010 in Castelo Branco, Portugal. At postmortem examination, the organs showed no significant gross alterations; however, microscopically, both animals had diffuse lymphadenitis with macrophage infiltration and deposition of hyaline material in the center of the lymphoid follicles. Acid-fast organisms were isolated from gastrointestinal tissue samples via bacteriologic culture. These organisms were identified as M. avium subsp. paratuberculosis by IS900 polymerase chain reaction (PCR). Additionally, direct IS900 PCR-positive results were obtained for multiple organs of both animals. This is the first report of MAP infection of otters in Portugal.
ISSN:1042-7260
1937-2825
DOI:10.1638/1042-7260-44.1.193