The aim of the study was to establish the role of forest birds as reservoirs of Anaplasma phagocytophilum and Babesia spp. in Wielkopolski National Park. A total of 108 birds from 9 species were collected between May-September 2002. Blood samples were taken from 84 specimens and 442 individuals of the common tick, Ixodes ricinus, were collected from the birds. The 73 additional ticks were collected from vegetation. PCR amplification of a fragment of the epank 1 gene and 18S rRNA gene was used for detection of A. phagocytophilum and Babesia spp. DNA, respectively. Pathogen DNA was not detected in any of the blood samples or ticks collected from birds. On the other hand, 3 ticks collected from vegetation (4.1% of all examined specimens) were positive for A. phagocytophilum DNA. In spite of the high level of infestation of birds by I. ricinus, it is clear that they do not constitute a competent reservoir of A. phagocytophilum and Babesia in WNP. Additionally, I. ricinus is not a significant vector in this area.
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