Prevalence of Borrelia burgdorferi in Guard Dogs in Isfahan, Iran
2023
Zarei Chaleshtory, Mitra | Keihani, Payman | Momtaz, Hassan | Hamze Ali Tehrani, Milad | Hosseini, Seyed Reza
BACKGROUND: Lyme disease is caused by a gram-negative spirochete bacterium called “Borrelia burgdorferi” and can be transmitted by the bite of infected ticks to humans and animals. This disease has a global geographic distribution Dogs can be infected by the bite of the Ixodes ricinus tick.OBJECTIVES: This study aims to detect the prevalence of Borrelia burgdorferi in guard dogs in Isfahan, Iran.METHODS: In this study, blood samples were collected from 97 guard dogs with an average age of 3.5 years in Isfahan city and analyzed by the blood smear method and the nested polymerase chain reaction method (molecular study). The data were statistically analyzed in SPSS software (version 24) using Fisher's exact test and chi square.RESULTS: Twelve samples (12.37 %) were found molecularly positive, which were for 10 male dogs (10.30 %) and two female dogs (2.06 %). There was no evidence of the presence of bacteria in the blood smear and hematological changes were not found in complete blood count tests (CBC Test) performed on infected samples. There was a significant difference in the levels of infection between the age groups of 1 to 2 years (P=0.029) and between this age group (1 to 2 years) and the age group >3 years (P=0.032. (There was a significant difference in infection levels between dogs with different gender.CONCLUSIONS: The prevalence of Borrelia burgdorferi in dogs of Isfahan City is relatively high. Due to the ease of transmission of this pathogen between humans and animals, special attention should be paid for its control and timely detection.
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