INFESTATION OF TICKS IN FOREST BIOTOPES OF TERNOPIL REGION
DOI:
https://doi.org/10.11603/1681-2727.2021.2.12164Keywords:
ticks, pathogenic microorganisms, infestation, zones, murine rodentsAbstract
Infestation of ticks with pathogenic microorganisms affects the epidemic well-being of the territories, because these arthropods are a reservoir and vector of pathogens’ transmission of many zoonotic diseases. Ticks circulate a number of bacteria in natural foci as an important component of parasitic systems.
The aim of the work. To find out the infestation of ticks with certain pathogenic bacteria in three weather-geographical zones of Ternopil region: small Polissya, cold and warm Podillya. Compare levels (degrees) of infestation, spectra of pathogens, identify possible features in each zone. Investigate the structure of groups of murine rodents as part of parasitic systems.
Materials and methods. Entomological: collection of ticks and their identification using a determinant. Accounting of ticks’ number with the calculation of the abundance index. Study of the species composition and number of murine rodents groups, their capture by standard live traps installed in one line. The check was carried out in a day, the account was conducted in trap-days and percent of hit.
Laboratory: study of the suspension of ticks in polymerase chain reaction (PCR) in real time. A test system produced by Vector-Best was used to identify DNA fragments of B. burgdorferi s. l., B. miyamotoi, Babesia sp., A. phagocytophilum, E. muris and E. chaffeensis.
Results. The average values of ticks’ abundance indices in weather-geographical zones for a three-year period have been established. Data on the number and composition of murine rodents’ populations in selected biotopes were obtained. DNA fragments of B. burgdorferi s. l., B. miyamotoi, Babesia sp., A. Phagocytophilum were found. Not found – E. muris and E. chaffeensis.
Conclusions. Ticks in the forest biotopes of three weather-geographical zones of Ternopil region are infected with B. burgdorferi s. l., B. miyamotoi, Babesia sp., A. phagocytophilum. The dominant parasite is I. ricinus, the host role is provided by eight species of murine rodents.
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