四川省西昌市中小规模猪场圆环病毒Ⅱ型定殖情况调查与分析

江蕾, 曾育麟, 唐国强, 陈世云, 罗拉体

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养殖与饲料 ›› 2024, Vol. 23 ›› Issue (07) : 60-64. DOI: 10.13300/j.cnki.cn42-1648/s.2024.07.013
疾病防控

四川省西昌市中小规模猪场圆环病毒Ⅱ型定殖情况调查与分析

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Preliminary investigation and analysis on the colonization of cyclovirus (type Ⅱ) in small-scale and medium-scale pig farms in Xichang City, Sichuan Province

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摘要

目的 了解猪圆环病毒Ⅱ型(PCV2)在四川省西昌市中小规模生猪养殖场中的流行情况,为制订综合防控策略提供依据。 方法 查阅中国知网数据库2012年以来有关西昌市PCV2流行病学监测的文献资料,分析PCV2的流行趋势。2023年5—9月,对西昌市部分中小规模生猪养殖场进行了生猪养殖现状调查,采用PCR检测方法对环境拭子进行圆环病毒Ⅱ型检测。 结果 文献资料显示,西昌市2008—2019年PCV2感染情况严重。检测结果显示,西昌市中小规模生猪养殖场圆环病毒Ⅱ型的环境定殖率为17.91%,环境易传播时间在6月和9月,规模较大的养猪场对环境安全的控制措施较好,通过氢氧化钠等进行环境消毒可以做好猪圆环病毒Ⅱ型的防控。 结论 西昌市圆环病毒Ⅱ型在环境中定殖情况较严重,动物疫病预防控制机构和生猪养殖者需有针对性地制定综合防控策略。

Abstract

Objectives The prevalence of porcine circovirus type Ⅱ (PCV2) in small-scale and medium-scale pig farms in Xichang City, Sichuan Province, was studied to provide a basis for formulating comprehensive strategies for the prevention and control of PCV2. Methods The literature on the epidemiological monitoring of PCV2 in Xichang City since 2012 in the China National Knowledge Infrastructure database were reviewed. The epidemic trend of PCV2 was analyzed. A survey was conducted on the situation of pig farming in some small-scale and medium-scale pig farms in Xichang City from May to September 2023. PCR was used to detect the cyclovirus (type Ⅱ) in environmental swabs. Results The situation of PCV2 infection in Xichang City was severe from 2008 to 2019 according to literature. The results of investigation showed that the environmental colonization rate of cyclovirus (type Ⅱ) in small-scale and medium-scale pig farms in Xichang City was 17.91%. The time for environmental transmission was in June and September. Large scale pig farms had better measures for controlling environmental safety, and environmental disinfection such as sodium hydroxide was used to effectively prevent and control PCV2. Conclusions The colonization of cyclovirus (type Ⅱ) in the environment was relatively severe in Xichang City. Institutions of animal disease prevention and control and pig farmers need to develop specific and comprehensive strategies for the prevention and control of PCV2 in Xichang City, Sichuan Province.

关键词

生猪养殖场 / 圆环病毒Ⅱ型 / 环境拭子 / 定殖 / 流行病学监测

Key words

pig farms / cyclovirus (type Ⅱ) / environmental swab / colonization / epidemiological monitoring

中图分类号

S858.28

引用本文

导出引用
江蕾 , 曾育麟 , 唐国强 , . 四川省西昌市中小规模猪场圆环病毒Ⅱ型定殖情况调查与分析. 养殖与饲料. 2024, 23(07): 60-64 https://doi.org/10.13300/j.cnki.cn42-1648/s.2024.07.013
JIANG Lei, ZENG Yulin, TANG Guoqiang, et al. Preliminary investigation and analysis on the colonization of cyclovirus (type Ⅱ) in small-scale and medium-scale pig farms in Xichang City, Sichuan Province[J]. Animals Breeding and Feed. 2024, 23(07): 60-64 https://doi.org/10.13300/j.cnki.cn42-1648/s.2024.07.013

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基金

2022年度凉山州学术和技术带头人培养项目(凉人社办发〔2023〕5号)

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