Prevalence of Intestinal Parasites in Dog Faecal Samples from Public Environments in Qinghai Province, China

文献类型： 外文期刊

第一作者： Zhang, Xueyong

作者： Zhang, Xueyong;Jian, Yingna;Ma, Yijuan;Li, Zhi;Fu, Yong;Duo, Hong;Guo, Zhihong;Zhang, Xueyong;Cairang, Zhouzai;Wang, Xiaohong

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关键词： intestinal parasites; dogs; prevalence; public environments; Qinghai

期刊名称：PATHOGENS （ 影响因子：4.531； 五年影响因子：4.58 ）

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年卷期： 2022 年 11 卷 11 期

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收录情况： SCI

摘要： Dogs are popular companions in our daily lives for company, hunting, protection or shepherding, but they also serve as reservoirs for zoonotic parasites. We analysed faecal samples from urban and rural environments in Qinghai Province on the Qinghai-Tibet Plateau of China to determine the prevalence of intestinal parasites. A total of 682 faecal samples were collected from four urban and two rural environments from October 2019 to December 2020. The samples were analysed for common intestinal parasites using a species-specific PCR approach. The total number of samples with parasites was 40 (5.87%): 23 (3.37%) were positive for helminths, and 17 (2.49%) were positive for protozoa. The following parasites were identified, and their respective prevalence rates were calculated: Cryptosporidium canis (1.32%), Giardia duodenalis (1.17%, assemblages D (n = 6) and C (n = 2)), Taenia hydatigena (1.03%), Taenia multiceps (0.59%), Toxocara canis (0.59%), Echinococcus shiquicus (0.29%), Dipylidium caninum (0.29%), Taenia pisiformis (0.15%), Mesocestoides lineatus (0.15%), Trichuris vulpis (0.15%), and Ancylostoma spp. (0.15%). The overall prevalence was significantly higher in dog faecal samples from rural environments than in those from urban environments (16.19% vs. 3.99%). E. shiquicus, T. pisiformis, M. lineatus, T. vulpis, and Ancylostoma spp. were only found in dog faecal samples from rural environments. The results of the present study indicate that intestinal parasite-positive dogs are important sources of environmental contamination, suggesting a significant zoonotic infection risk in humans and other animals. This has implications for the ongoing control of intestinal parasite infections in dogs in Qinghai Province, China.

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