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Seroprevalence and associated risk factors of Toxoplasma gondii infection in yaks (Bos grunniens) on the Qinghai-Tibetan Plateau of China

文献类型： 外文期刊

作者： Sun, Tao 1 ; Rahman, Sajid Ur 1 ; Cai, Jinzhong 3 ; Zeng, Jiangyong 4 ; Mi, Rongsheng 1 ; Zhang, Yehua 1 ; Gong, Haiyan 1 ; Ma, Hongcai 4 ; Huang, Yan 1 ; Han, Xiangan 1 ; Zhao, Quan 2 ; Chen, Zhaoguo 1 ;

作者机构： 1.Chinese Acad Agr Sci, Shanghai Vet Res Inst, Minist Agr, Key Lab Anim Parasitol,Lab Qual & Safety Risk Ass, Shanghai 200241, Peoples R China

2.Jilin Agr Univ, Anim Sci & Technol Coll, Changchun 130118, Jilin, Peoples R China

3.Qinghai Univ, Qinghai Acad Anim Sci & Vet Med, Vet Res Inst, State Key Lab Plateau Ecol & Agr, Xining 810016, Qinghai, Peoples R China

4.Tibet Acad Agr & Anim Sci, Tibet Livestock Res Inst, Lhasa 850009, Tibet, Peoples R China

关键词： Toxoplasma gondii; Yak; Seroprevalence; Risk factors; Qinghai-Tibetan Plateau

期刊名称：PARASITE （ 影响因子：3.0； 五年影响因子：3.046 ）

ISSN： 1252-607X

年卷期： 2021 年 28 卷

页码：

收录情况： SCI

摘要： Toxoplasma gondii is an intracellular parasite that is extensively prevalent globally. Studies have indicated the presence of T. gondii infection in animals in some provinces of China, but little is known about T. gondii infection in yaks (Bos grunniens) on the Qinghai-Tibetan Plateau. In the current study, to determine the seroprevalence and associated risk factors of T. gondii, a total of 2784 serum samples were collected from 18 different sampling sites in eight counties of the Qinghai and Tibet regions of China from 2018 to 2019. Serum antibodies against T. gondii were detected in 261 yaks (9.38%) via enzyme-linked immunosorbent assay (ELISA). We found that seroprevalence differed significantly among different counties (ranging from 5.41% in Gangcha to 19.79% in Datong), by year in the Tibet Autonomous Region (from 2.34% in 2018 to 13.24% in 2019), and by age (from 5.59% in 0 < year <= 1 to 11.76% in year > 7) (p < 0.05). Climate, geographical conditions, and age are the main factors influencing T. gondii infection in yaks in these regions. Therefore, our study provides a data reference for public health and prevention of yak toxoplasmosis.

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