Detection of potentially pathogenic bacteria from Ixodes ricinus carried by pets in Tuscany, Italy
2020
Chisu, Valentina | Foxi, Cipriano | Masu, Gabriella | D' Amaddio, Barbara | Masala, Giovanna
BACKGROUND: Ticks are vectors of disease‐causing pathogens that pose a serious threat to animals and people. Dogs and cats are exposed to tick infestation in multiple ways and can easily transport infected ticks into domestic environments and potentially transfer them to people. Pet owners are at increased risk of picking up ticks from their pets and developing tickborne diseases. This study aims to detect the presence of pathogens of potential public health interest in ticks removed from cats and dogs in Tuscany, Italy. METHODS: The collected ticks were screened for the presence of protozoan (Theileria species and Babesia species) and bacterial (Rickettsia species, Anaplasma species, Ehrlichia species, Chlamydia species, Bartonella species and Coxiella burnetii) pathogens using PCR. RESULTS: PCR and sequencing analysis revealed that 3 per cent of the ticks were PCR‐positive for the presence of Rickettsia helvetica DNA, 5 per cent of ticks were PCR‐positive for Bartonella henselae DNA, and 46 per cent of ticks were PCR‐positive for Chlamydia psittaci and Chlamydia abortus DNA. None of the examined ticks was PCR‐positive for Theileria species, Babesia species, Anaplasma species, Ehrlichia canis or Coxiella burnetii DNA. CONCLUSION: The results of this preliminary study highlight the importance of monitoring companion animals as indicators to evaluate the health status of their owners. Preventive measures are necessary to limit the spread of zoonotic pathogens from companion animals to people within the home environment.
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