ArticleActa veterinaria Scandinavica2001
Persistence of Ehrlichia phagocytophila infection in two age groups of lambs.
Article in Acta veterinaria Scandinavica, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 17 citations in OpenAlex.
- Review
- ExperimentalFrontiers in veterinary science · 2020Article
- Anaplasma odocoilei sp. nov. (family Anaplasmataceae) from white-tailed deer (Odocoileus virginianus).Ticks and tick-borne diseases · 2013Article
- Evolution of antigen variation in the tick-borne pathogen Anaplasma phagocytophilum.Molecular biology and evolution · 2012Article
- Variant -and individual dependent nature of persistent Anaplasma phagocytophilum infection.Acta veterinaria Scandinavica · 2010Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tick-borne fever (TBF) is caused by the rickettsiae Ehrlichia phagocytophila and is a common disease in sheep in tick (Ixodes ricinus) infested areas in Norway. Earlier investigations have shown that some sheep could remain infected for several months after the primary infection. In this study, the persistence of E. phagocytophila after experimental infection was investigated in 2 age groups of lambs. Six lambs (1-2 weeks old) and 14 lambs (6-8 months old) were inoculated intravenously with an ovine strain of E. phagocytophila and thereafter examined clinically (including daily body temperature recording) and by haematological and serological (E. equi antibodies) methods for the next 4 months. At the end of this period, the lambs were examined for a TBF infection by blood smear investigation and blood inoculation studies. The infection was demonstrated in 19 (95%) of the 20 lambs.
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