The prevalence of Toxoplasma gondii in sheep in China: A systematic review and meta-analysis

Toxoplasmosis is a zoonotic disease caused by Toxoplasma gondii, which is widespread in warm-blooded animals and humans. Currently, many studies regarding T. gondii infection in sheep have been published worldwide. However, there is no meta-analysis of sheep infection in China. In this study, five d...

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Bibliographic Details
Published in:Research in veterinary science 2021-09, Vol.138, p.19-29
Main Authors: Wang, Wei, Gong, Qing-Long, Li, Ming-Han, Wei, Xin-Yu, Chen, Yu, Jiang, Jing, Ni, Hong-Bo, Lyu, Chuang, Wang, Chun-Ren
Format: Article
Language:English
Subjects:
Altitude
Animal husbandry
Animals
Bias
China
Control programs
Homeotherms
Humid areas
Humidity
Impact analysis
Infections
Low altitude
Medical research
Meta-analysis
Normal distribution
Precipitation
Prevalence
Rainfall
Risk factors
Sample size
Sensitivity analysis
Sheep
Systematic review
T. Gondii
Test methods
Toxoplasma gondii
Toxoplasmosis
Veterinary medicine
Zoonoses
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Summary:Toxoplasmosis is a zoonotic disease caused by Toxoplasma gondii, which is widespread in warm-blooded animals and humans. Currently, many studies regarding T. gondii infection in sheep have been published worldwide. However, there is no meta-analysis of sheep infection in China. In this study, five databases were used to retrieve articles related to T. gondii in China. A total of 59 studies from 1987 to June 30, 2020, have been included. We estimated that the combined prevalence of T. gondii in the selected period was 8.5% (3197/28,099). In the analysis of publication year, the lowest positive rate after 2010 was 7.4% (1883/17,313). Geographically, the highest prevalence of T. gondii in sheep was recorded in Southwest China 19.2% (490/2080). Analysis according to age showed that the prevalence of infection in sheep older than 12 months was significantly (P 
ISSN:0034-5288
1532-2661
DOI:10.1016/j.rvsc.2021.05.016