Objective: To investigate the prevalence of tick-borne rickettsial infections in selected areas of Liupanshui City, Guizhou Province, 2023, so as to provide insights into the management of tick-borne rickettsioses in the city.
Methods: Ticks were captured from the body surface of bovines and sheep in Gaoxing Village, Dashan Township, Liupanshui City, Guizhou Province during the period between April and June, 2023, and tick species were identified using morphological and molecular biological techniques. In addition, tick-borne was identified using a nested PCR assay, including spotted fever group rickettsiae (SFGR), spp., spp., spp., and spp., and positive amplified fragments were sequenced and aligned with known sequences accessed in the GenBank database.
Results: A total of 200 ticks were collected and all tick species were identified as . Nestle PCR assay combined with sequencing identified ticks carrying (40.50%), (1.50%), and -like endosymbionts (27.00%), and spp., spp. or spp. was not detected.
Conclusions: carried , , and -like endosymbionts in selected areas of Liupanshui City, Guizhou Province. Intensified monitoring of tickborne rickettsial infections is needed in livestock and humans to reduce the damages caused by rickettsioses.
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