Peer-reviewed veterinary case report
Where the ornate dog tick spreads in the Czech Republic now
By Daněk, Ondřej et al.·Published in Parasites & vectors·2022·Department of Pathology and Parasitology·View original on PubMed →
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Original publication title: The distribution of Dermacentor reticulatus in the Czech Republic re-assessed: citizen science approach to understanding the current distribution of the Babesia canis vector.
- Species:
- dog
Plain-English summary
A recent study found that the ornate dog tick, which can spread a serious disease called canine babesiosis, is now present in all regions of the Czech Republic. This tick was previously thought to be limited in its range, but reports from a citizen science project showed a significant increase in its distribution. Researchers also discovered that some of these ticks carried DNA from the Babesia canis parasite, indicating that the disease could be spreading locally. Pet owners should be aware that their dogs could be at risk for babesiosis, even if they haven't traveled to areas where the disease is common.
People also search for: dog ticks in Czech Republic · canine babesiosis symptoms · how to prevent ticks on dogs
Abstract
BACKGROUND: The range of the ornate dog tick Dermacentor reticulatus is rapidly expanding in Europe. This tick species is the vector of canine babesiosis, caused by Babesia canis, and also plays a role in the transmission of Theileria equi and Babesia caballi in equids. METHODS: The geographic range of D. reticulatus in the Czech Republic was re-assessed, and an up-to-date distribution map is presented based on material and data obtained during a nationwide citizen science campaign. Received and flagged individuals of D. reticulatus were also analysed for the presence of B. canis DNA. RESULTS: In striking contrast to historical records, D. reticulatus was found in all regions of the Czech Republic, with most reports coming from the southeast and northwest of the country. Between February 2018 and June 2021, the project team received 558 photo reports of ticks and 250 packages containing ticks. Of the former, 71.1% were identified as Dermacentor sp. with the remainder identified as Ixodes sp., Haemaphysalis sp., Argas sp. or Hyalomma sp. The majority of specimens in the subset of ticks that were received (N = 610) were D. reticulatus (N = 568, 93.7%), followed by Ixodes ricinus and Hyalomma spp. A total of 783 adult D. reticulatus, either received (568) or collected by flagging (215), were tested for the presence of B. canis DNA using species-specific nested PCR targeting part of the 18S rRNA gene; B. canis DNA was demonstrated in 22 samples (2.81%). CONCLUSIONS: The continuous spread of D. reticulatus in the Czech Republic was documented in this study. In addition, DNA of B. canis was also detected in a number of ticks, suggesting the establishment of B. canis in the Czech Republic. These results suggest that veterinarians need to consider the possibility of canine babesiosis even in dogs without a history of travel.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35436925/