2015-2019 年中国猪圆环病毒 2 型流行情况的系统评价和荟萃分析。
Prevalence of porcine circovirus 2 throughout China in 2015-2019: A systematic review and meta-analysis.
机构信息
College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China.
College of Chinese Medicine Materials, Jilin Agricultural University, Changchun Jilin Province 130118, PR China.
出版信息
Microb Pathog. 2020 Dec;149:104490. doi: 10.1016/j.micpath.2020.104490. Epub 2020 Sep 18.
Porcine circovirus type 2 (PCV2) causes infectious diseases in pigs leading to considerable economic losses in the pig industry. To prevent and control PCV2 infections, is important to understand the prevalence and geographical distribution of the virus. We performed the first systematic review and meta-analysis to estimate the prevalence of PCV2 in China. From PubMed, ScienceDirect, Chinese Web of Knowledge, Wanfang, and VIP Chinese Journal, we extracted 53 studies published in China between 2015 and 2019. There were 29,051 samples, 14,230 of which were positive for PCV2. The pooled prevalence of PCV2 was 46.0%, with the highest in Northeastern China (58.1%). The highest prevalence was 86.3% in Xinjiang province. Nursery pigs had the highest prevalence of PCV2 (50.9%), and the serological test detected the highest number of cases (58.5%). PCV2 prevalence was 50.1% in intensive farms and 37.5% in extensive farms. Our findings showed that PCV2 is common throughout China. Effective control measures are necessary to reduce PCV2 infections.
猪圆环病毒 2 型（PCV2）可引起猪的传染病，给养猪业造成了巨大的经济损失。为了预防和控制 PCV2 感染，了解该病毒的流行情况和地理分布非常重要。我们进行了首次系统评价和荟萃分析，以评估 PCV2 在我国的流行情况。我们从 PubMed、ScienceDirect、中国知网、万方和维普中文期刊中提取了 2015 年至 2019 年期间在中国发表的 53 项研究。这些研究共有 29051 个样本，其中 14230 个样本 PCV2 检测呈阳性。PCV2 的总流行率为 46.0%，东北地区最高（58.1%）。新疆的流行率最高，为 86.3%。仔猪的 PCV2 流行率最高（50.9%），血清学检测发现的病例最多（58.5%）。集约化养殖场的 PCV2 流行率为 50.1%，而规模化养殖场的流行率为 37.5%。我们的研究结果表明，PCV2 在我国普遍存在。需要采取有效的控制措施来减少 PCV2 感染。
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