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Seroprevalence and Molecular Detection of Bovine Anaplasmosis in Egypt

Institute of Bacterial Infections and Zoonoses, Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health), Naumburger Str. 96a, 07743 Jena, Germany
Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
Institute for Animal Hygiene and Environmental Health, Free University, Berlin, Robert-von Ostertag-Str. 7-13, 14163 Berlin, Germany
Author to whom correspondence should be addressed.
Pathogens 2020, 9(1), 64;
Received: 9 December 2019 / Revised: 8 January 2020 / Accepted: 13 January 2020 / Published: 16 January 2020
(This article belongs to the Section Animal Pathogens)
Bovine anaplasmosis is a tick-borne disease with zoonotic potential, caused by the obligate intracellular bacterium Anaplasma marginale. The disease is distributed worldwide in tropical and subtropical regions. The economic losses from anaplasmosis in animals is of significant importance because it causes severe morbidity and mortality in cattle. Recovered animals may become persistent carriers. Epidemiological information on the actual status of bovine anaplasmosis in Egypt is scarce. Thus, this study aimed to determine anti-Anaplasma antibody and DNA in serum samples using ELISA and PCR, respectively. In total, 758 bovine sera were collected from cattle farms located in 24 Egyptian governorates in 2015 to 2016. Sera were analyzed with the commercially available ‘Anaplasma antibody competitive ELISA v2’ kit and ‘AmpliTest Anaplasma/Ehrlichia spp. real time TaqMan TM PCR. Anaplasma spp. antibodies were detected in 140 (18.5%) (CI: 15.8–21.4%) of the investigated sera by ELISA, and Anaplasma/Ehrlichia-DNA was detected in 40 (5.3%) (CI: 3.8–7.1%) of the positive sera by real time PCR. Co-detection of both Anaplasma spp. and Coxiella burnetii-specific antibodies was proven in 30 (4%) of the investigated sera. The results of this work confirm the significant prevalence of bovine anaplasmosis in Egypt. Raising awareness in decision makers of the public health, veterinarians and animal owners is required to reduce the spread of infection. View Full-Text
Keywords: Anaplasma marginale; Bovine anaplasmosis; Coxiella burnetii; Egypt; prevalence; ELISA; real time PCR Anaplasma marginale; Bovine anaplasmosis; Coxiella burnetii; Egypt; prevalence; ELISA; real time PCR
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Parvizi, O.; El-Adawy, H.; Melzer, F.; Roesler, U.; Neubauer, H.; Mertens-Scholz, K. Seroprevalence and Molecular Detection of Bovine Anaplasmosis in Egypt. Pathogens 2020, 9, 64.

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