2017—2019年广西玉林市牛羊口蹄疫和小反刍兽疫血清抗体检测
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广西科技重大专项(桂科AA17204057-1,桂科AA18118051);玉林市科学研究与技术开发计划项目(玉市科201934022,玉市科攻20204022);南宁市科学研究与科技开发计划项目(20202090)


Detection of Serum Antibodies against FMD and PPR in Sheep and Cattle in Yulin City of Guangxi during 2017 to 2019
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    摘要:

    为了解广西玉林市牛羊口蹄疫(FMD)和小反刍兽疫(PPR)免疫情况,2017—2019年采用酶联免疫吸附试验(ELISA),对从玉林市7个县(市、区)234个种畜场、规模养殖场和散养户采集2 244份羊血清和922份牛血清样本进行O型、A型和亚洲I型FMD以及PPR免疫抗体检测,并比较不同年份、不同地区的免疫抗体水平。结果显示:2017—2019年,玉林市牛羊O型FMD抗体场群及个体合格率基本保持在70%以上,但部分地区的抗体合格率较低(P<0.05);亚洲I型FMD抗体合格率2017年偏低,但2018年后直线上升至80%以上;A型FMD抗体合格率普遍较低,均不足70%。PPR免疫合格率逐年增长,均保持在70%以上,且无显著地区差异(P>0.05)。结果表明,广西玉林市牛羊O型、亚洲I型FMD和羊PPR的整体免疫效果较好,但A型FMD免疫效果较差,且FMD免疫效果存在一定的地区不均衡性。因此,玉林市应根据各地区实际情况,持续加强FMD、PPR免疫和监测,确保各地区牛羊处于较高的免疫保护水平。本调查为玉林市有效防控此类疫病提供了技术支持。

    Abstract:

    In order to identify the status of immune against foot-and-mouth disease(FMD)and peste des petits ruminants(PPR)in cattle and sheep in Yulin City of Guangxi,922 cattle serum and 2 244 sheep serum samples collected from 234 breeding farms,scale farms and free-range households in 7 counties(cities,district)of Yulin City were detected for antibodies against FMD-O,A and Asia I and PPR by enzyme-linked immunosorbent assay(ELISA)from the period of 2017 to 2019,and the levels of the above antibodies were compared by years and regions. The results showed that the farm/herd and individual qualified rates of antibodies against FMD-O in sheep and cattle generally remained above 70%,but were lower in certain regions(P<0.05);the qualified rate of antibodies against FMD Asia I was lower in 2017,but increased up to above 80% since 2018;that against FMD-A was generally lower than 70%,and that against PPR was increasing year by year and remained above 70%,without any regional difference(P>0.05). In conclusion,the overall immune effects against FMD-O and Asia I and PPR were relatively good,except the immune effect against FMD-A that was poor,indicating an uneven level in various regions to some extent. Vaccination and monitoring against FMD and PPR should be thus strengthened according to specific conditions in each region,so as to safeguard a high immune level in cattle and sheep there. Therefore,relevant technical support was provided for effective prevention and control of such diseases.

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黄宇,何文娜,陈忠伟,张艺杰,甘甲忠,卢冰霞,段群棚,赵武,甘一波,段振华,何颖.2017—2019年广西玉林市牛羊口蹄疫和小反刍兽疫血清抗体检测[J].《中国动物检疫》编辑部,2021,38(2):13-19.

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  • 在线发布日期: 2021-02-01
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