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Peer-reviewed veterinary case report

Detection of Anaplasma platys and Ehrlichia canis in dogs

By Dahmani, Mustapha et al.·Published in Ticks and tick-borne diseases·2015·Aix-Marseille University, France·View original on PubMed

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Original publication title: Molecular detection of Anaplasma platys and Ehrlichia canis in dogs from Kabylie, Algeria.

Species:
dog

Plain-English summary

A group of dogs in Algeria was tested for two types of bacteria, Ehrlichia canis and Anaplasma platys, which can cause serious infections spread by ticks. Out of 110 dogs sampled, 13 tested positive for these bacteria, marking the first time A. platys has been reported in dogs in Algeria. The study highlights the importance of monitoring these infections, especially since tick activity can influence how common they are throughout the year. Pet owners should be aware of these risks and discuss tick prevention and testing with their veterinarian.

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Abstract

Ehrlichia canis and Anaplasma platys are bacteria belonging to the Anaplasmataceae family that cause acute, self-limiting and sometimes fatal vector-borne infections in dogs. These bacteria have been reported worldwide and are transmitted mainly by Rhipicephalus sanguineus. Aside from a report on E. canis once in 1935, no other Anaplasmataceae bacteria have been reported in Algeria to date. The aim of this study was to identify the microbial species implicated in ehrlichiosis and anaplasmosis by a molecular epidemiological survey in dogs. The study was carried out in Kabylie, in northeast Algeria. Sampling was performed in 11 municipalities in the province of Tizi Ouzou and 2 municipalities in the province of Béjaïa. Peripheral blood samples from 110 dogs were screened by qPCR, which is capable of identifying most Anaplasmataceae bacteria. Out of 110, a total of 13 samples screened positive (7/110 E. canis and 6/110 A. platys), and two genetic variants of A. platys and one of E. canis were identified. This is the first study to report the presence of A. platys in dogs from Algeria using a molecular investigative method. This survey was conducted in early spring. As tick activity can affect the prevalence of these pathogens in dogs, further investigations are needed to establish the year-round prevalence of these infections.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/25583345/