数字农科院2.0

中国西部和北部边境4省区牛支原体血清流行病学调查及分析

文献类型： 中文期刊

作者： 李媛;闫磊;刘桐;辛九庆

作者机构：

关键词： 牛支原体 ; 抗体水平 ; 调查与分析 ; ELISA

期刊名称：中国预防兽医学报

ISSN： 1008-0589

年卷期： 2021 年 43.0 卷 7.0 期

页码：

收录情况： 北大核心（2020版） ; CSCD（2020-2021年度） ; 农林核心（2020版） ; 科技核心（2020版）

摘要： 为了解我国边境地区牛支原体的流行情况,本研究利用间接ELISA对2017年～2018年间收集自我国西部和北部4个省区的8832份临床健康牛血清样品进行了牛支原体血清抗体的检测,并从地区、年份、季节、牛的品种及不同生长阶段牛对结果做了统计分析.结果显示,两年各地牛支原体血清抗体阳性率平均为8.37％(396/4416,2017)、15.67％(760/4416,2018),其中两年阳性率最高的省份均为云南(15.76％2017,36.32％2018),其次依次是内蒙古(9.15％2017,18.3％2018)、新疆(8.96％2017,12.22％2018)、西藏(1.99％2017,1.99％2018).对检测数据按季节分析结果显示,春季牛支原体抗体阳性率最高,达18.31％(809/4416),高于夏季的7.86％(347/4416).对检测数据从牛的品种因素分析显示,黄牛和奶牛血清抗体阳性率较高,分别为13.3％(183/1375)和15.6％(159/1021),显著高于水牛的3.85％(20/520)和牦牛的1.99％(22/1104)(p<0.01).从不同生长阶段牛的分析显示,与青年牛和成年牛相比较,犊牛牛支原体抗体的阳性率更高为19.90％(195/980)(p<0.01),犊牛对牛支原体更易感.本研究结果表明这几个地区均存在牛支原体抗体阳性牛,且2018年比2017年牛血清抗体阳性率大幅度增加(p<0.01).本研究首次检测并分析了我国北部和西部边境地区牛支原体的血清流行病学状况,为明确牛支原体在我国的流行状况及制定有效防治措施提供了参考依据.

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