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- Eld, Karin, et al.
(författare)
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Comparison of a cold enrichment method and the IDF method for isolation of Listeria monocytogenes from autopsy material
- 1993
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Ingår i: Veterinary Microbiology. - : Elsevier. - 0378-1135 .- 1873-2542. ; 36:1-2, s. 185-189
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Tidskriftsartikel (refereegranskat)abstract
- The method most often used in Sweden for isolation of Listeria monocytogenes from animal autopsy material is a cold enrichment method. This method is very slow. The International Dairy Federation (IDF) has recently presented a method for detection of L. monocytogenes in milk and milk products that is complete in one week. During a two year period 69 specimens from dead animals with suspected listeriosis were examined for L. monocytogenes in parallel analyses with both the cold enrichment method and the IDF method. Samples derived from different autopsy material representing a variety of animals. L. monocytogenes was isolated in 27.5% of the samples with the IDF method but only in 4.3% with the cold enrichment method. It is concluded that the IDF method was more sensitive than the cold enrichment method.
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- Tham, Wilhelm, 1951-, et al.
(författare)
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Listeria monocytogenes subtypes associated with mortality among fallow deer (Dama dama)
- 1999
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Ingår i: Journal of zoo and wildlife medicine. - 1042-7260 .- 1937-2825. ; 30:4, s. 545-549
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Tidskriftsartikel (refereegranskat)abstract
- Different subtypes of Listeria monocytogenes were isolated from various animal and environmental samples during an episode of increased mortality on a fallow deer (Dama dama) farm. During a 4-wk period, six fallow deer died, including four does, one fawn, and one adult buck. Prior to death, one of the does had exhibited central nervous system signs characteristic of listeriosis. Postmortem examination of the six deer showed no histologic changes typical of listeriosis, although inflammatory changes were present in several organs. Different subtypes of L. monocytogenes were isolated from brain samples from six deer, from fodder and soil from the deer feeding area, and from faces of some healthy animals on the farm. Listeria monocytogenes, which was frequently isolated in the environment of the farm, was considered the probable major cause of mortality in these fallow deer.
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