Seroprevalence and bacteremia [corrected] of Anaplasma phagocytophilum in cats from Bavaria and Lower Saxony (Germany) |
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Authors: | Hamel Dietmar Bondarenko Anna Silaghi Cornelia Nolte Ingo Pfister Kurt |
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Institution: | Institute for Comparative Tropical Medicine and Parasitology, Veterinary Faculty, Ludwig-Maximilians-Universit?t München, Munich, Germany dietmar.hamel@tropa.vetmed.uni-muenchen.de |
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Abstract: | Anaplasma (A.) phagocytophilum is a tick-transmitted obligate intracellular bacterium and has been identified in a wide range of mammalian species, causing febrile disease in some. Few reports show that it can also cause granulocytic anaplasmosis in cats. As data on the occurrence of A. phagocytophilum in cats from Germany is limited, a total of 326 serum and 306 EDTA-blood samples from cats from Germany were screened by direct (Giemsa-stained blood/buffy coat smears, real-time PCR) and indirect (IFAT) methods. Of 274 Giemsa-stained blood smears which could be evaluated none was positive for morulae, but one blood sample (< or =0.1%; 1/306) was positive for A. < or = phagocytophilum-DNA in PCR. Antibodies (cutoff > or = 1:64) were detected in 53 out of 326 samples (16.2%). Altogether, the results show a high seroprevalence rate of anti-A. phagocytophilum antibodies in cats in Germany while the low detection rate of this bacterial agent by direct methods is similar to those of other studies on A. phagocytophilum infections in cats. |
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