Meta analysis of prevalence of bovine viral diarrhea virus (BVDV) in cattle in China
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1.College of Veterinary Medicine,Huazhong Agricultural University,Wuhan 430070,China;2.State Key Laboratory of Agricultural Microbiology,Wuhan 430070,China;3.Hubei Hongshan Laboratory,Wuhan 430070,China;4.School of Industrial Design,Hubei University of Technology,Wuhan 430070,China

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S852.65+3

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    Abstract:

    Bovine viral diarrhea virus (BVDV) is one of the most important pathogens in cattle diseases,causing serious economic losses to the cattle industry worldwide. A comprehensive assessment of the prevalence of BVDV in cattle herds in China is of great significance for the prevention and control of BVDV infection. We conducted a systematic review and Meta-analysis on the BVDV detection rate in cattle in China by searching the literatures published from 1981 to September 1,2021 on China National Knowledge Infrastructure (CNKI),Wanfang Database,VIP Chinese Journals Database,PubMed and ScienceDirect. A total of 93 studies on BVDV pathogenic detection were selected and included in this Meta-analysis. The overall prevalence rate of BVDV in cattle herds in China was estimated to be 9.8% (95%CI:7.8-11.9),among which the prevalence rate of BVDV antigen was 3.1% (95%CI:2.1-4.4),and the prevalence rate of BVDV nucleic acid was 19.5% (95%CI:7.5-23.3). In the subgroup of sampled province,Jilin Province had the highest combined prevalence rate (26.3%,95%CI:24.3-28.4),followed by Hubei Province (24.6%) and Fujian Province (22.4%). Subgroup analysis and Meta regression analysis showed that breed (yak vs dairy cattle; OR=1.37,95%CI:1.05-1.79),breeding mode (free-ranging vs large-scale;OR=1.41,95%CI: 1.08-1.85),diagnosis method (RT-PCR vs ELISA; OR=1.64,95%CI: 1.38-1.94),and animal health (clinical symptoms vs asymptomatic; OR=1.42,95%CI: 1.20-1.68) were the factors that significantly increased the prevalence rate of BVDV. In addition,plateau alpine (OR=1.54,95%CI: 1.20-1.97) and high altitude (>3 000 m; OR=1.64,95%CI: 1.21-2.21) geographical and climatic factors may promote the prevalence of BVDV. The above results show that BVDV is widely prevalent in dairy cattle,beef cattle,and yak populations in China. Therefore,it is necessary to continuously monitor the prevalence of BVDV infection. In addition,according to the risk factors identified in this study,the corresponding prevention and control programs should be made to prevent the spread of BVDV in cattle herds in China.

    Table 3 Spatial distribution of BVDV prevalence in cattle in China
    Table 5 Geographical and climatic factors of BVDV infection in cattle in China
    Table 4 Pooled prevalence of BVDV in different cattle breeds in China and their correlation analysis on risk factors
    Table 2
    Table 1 Literatures and information included in this study
    Fig.2 Publication bias of the literatures and the correction with filled funnel plot
    Fig.3 The antigen and nucleic acid prevalence of BVDV in cattle from different regions
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朱杰,杨才俊,祁明普,杨凯辉,王宇,陈颖钰,陈曦,胡长敏,郭爱珍. Meta analysis of prevalence of bovine viral diarrhea virus (BVDV) in cattle in China[J]. Jorunal of Huazhong Agricultural University,2023,42(2):48-62.

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History
  • Received:January 06,2022
  • Online: March 31,2023
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