Identification of the causative agent of canine babesiosis in the North of Kazakhstan

Zhabykpayeva A. Kulakova L. Rychshanova R. Suleimanova K. Shevtsov A.
2023 Faculty of Veterinary Medicine, University of Tripoli

Open Veterinary Journal
2023 #13 Issue 9 1184 - 1194 pp.

Background: Canine babesiosis is a common disease in the northern part of the Republic of Kazakhstan, in particular in the Kostanay region. In recent years, a large number of cases of the disease with a variety of clinical symptoms have been registered. Aim: The purpose of the study was to monitor the spread, characterization, and identify the Babesia species involved of Babesia species in ticks and blood of dogs in the Kostanai region. Methods: The research work began in 2017 with the study of the spread of babesiosis in dogs in the Kostanay region according to the reports of veterinary clinics. The collection of ticks from the territory and from dogs was carried out in 2017–2021. Results: As a result of the research work, the presence in the city and some areas of the Kostanay region of two species of ixodid Dermacentor reticulatus and Dermacentor marginatus, was established. Of these, one species was identified in dogs, which serves as a carrier of canine babesiosis—D. reticulatus. In all 31 DNA samples from the blood of dogs diagnosed with babesiosis, a fragment of the 18S rRNA gene was amplified. The nucleotide sequence was obtained for 30 samples (96.8%), in one sample a low luminescence intensity of a specific PCR product was observed. Two Babesia canis haplotypes were distinguished on the basis of two nucleotide substitutions (GA→AG) observed in the sequences of the 18S rRNA gene. Conclusions: In conclusion, the results of this study provide insight into the distribution of B. canis haplotypes in dogs in the Kostanay region, and canine babesiosis is caused solely by the large Babesia species B. canis.

Babesia canis , Dermacentor reticulatus , Disease monitoring , Molecular typing

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Department of Veterinary Medicine, A. Baitursynov Kostanay Regional University, Kostanay, Kazakhstan
Research Institute of Applied Biotechnology, A. Baitursynov Kostanay Regional University, Kostanay, Kazakhstan
Department of Natural Sciences, Z. Aldamzhar Kostanay Social-Technical University, Kostanay, Kazakhstan
Applied Genetics Laboratory, National Center for Biotechnology, Astana, Kazakhstan

Department of Veterinary Medicine
Research Institute of Applied Biotechnology
Department of Natural Sciences
Applied Genetics Laboratory

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