Prevalence and molecular characterization of Babesia in pet dogs in Shenzhen,China |
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| Institution: | 1. Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Br 465, km 7, Seropedica, Rio de Janeiro 23897-000, Brazil;2. Department of Animal Parasitology, Veterinary Institute, Federal Rural University of Rio de Janeiro, Br 465, km 7, Seropedica, Rio de Janeiro 23897-000, Brazil |
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| Abstract: | Canine babesiosis is an important global tick-borne infectious disease of domestic dogs and wild canids. B. gibsoni and B. vogeli are the most widespread species mainly endemic in dog population in southern and eastern regions of China. In this study, 272 blood samples were collected from pet dogs in five districts of Shenzhen, China. Babesia DNA was detected in 30 samples with an overall prevalence of 11.0 % in pet dogs in Shenzhen. The difference in the positive rate between female and male pet dogs, among different breed, and among the five sampling sites was not significant, while the age and health status of pet dogs significantly influence the positive rate of Babesia spp. infection. Sequencing results showed the presence of only B. vogeli in all of the samples tested. Sequence comparison and phylogenetic analysis revealed that all 30 strains of Babesia identified in this study shared the highest identity with B. vogeli. In sum, all results of this study showed a considerable high infection rate of Babesia spp. in pet dogs, and B. vogeli was the only Babesia species infecting pet dogs in Shenzhen city. Such information is necessary to help to elucidate the epidemiology of canine babesiosis in Shenzhen, and it is necessary to actively monitor this disease in pet dogs. |
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| Keywords: | Molecular characterization Pet dogs China |
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