Seroprevalence of Chlamydia abortus infection in yak (Bos grunniens) in Tibet, China

文献类型： 外文期刊

第一作者： Wen, Yuan

作者： Wen, Yuan;Li, Zhaocai;Liu, Ping;Liu, Xing;Tan, Shuming;Liu, Donghui;Zhou, Jizhang;Liang, Lin;Wen, Yuan;Tong, Dewen

作者机构：

关键词： Chlamydia abortus; Seroprevalence; Yak; Tibet

期刊名称：IRISH VETERINARY JOURNAL （ 影响因子：2.146； 五年影响因子：2.0 ）

ISSN： 0368-0762

年卷期： 2021 年 74 卷 1 期

页码：

收录情况： SCI

摘要： Chlamydia spp. are prevalent zoonotic pathogens that infect a wide variety of host species. Chlamydia abortus (C. abortus) infection in yaks has been reported in Gansu and Qinghai province, China. However, no data about C. abortus infection are available in yaks in Tibet, China. A total of 938 serum samples was collected from yaks in Tibet, China and specific antibodies against C. abortus were detected by the enzyme-linked immunosorbent assay (ELISA). The results showed that the overall seroprevalence of C. abortus in yaks was 104/938 (11.1 %, 95 % confidence interval [CI] 9.1-13.1). The prevalence in female and male yaks was 59/556 (10.6 %, 95 % CI 8.0-13.2) and 45/382 (11.8 %, 95 % CI 8.5-15.0), respectively with no significant difference (p > 0.05). The seroprevalence of antibodies to C. abortus in yaks ranged from 8.0 to 18.2 % among the six different areas, and the difference was also without statistical significance (p > 0.05). The prevalence among different age groups ranged from 7.0 to 15.9 %, with a higher prevalence among 1 to 2 years age category. The results demonstrate the presence of C. abortus infection in yaks in Tibet and may pose a risk for the general yak populations in addition to its potential impact on public health and the local Tibetan economy. To our knowledge, this is the first seroprevalence survey of C. abortus in yaks in Tibet, China.

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