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2021年猪圆环病毒2型检测分析与防控建议

李相钊,李宝杰,朱绍伟,李秀娟,周忠涛,张广,陈方园

Pigs Today（2022）

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Abstract
2021年猪圆环病毒2型抗原检出率为29.3％,平均抗体合格率为89.8％.临床以PCV2d为主要流行亚群,以PCV2+PRRSV(猪蓝耳病病毒)混合感染模式为主,但PCV2+PCV3(猪圆环病毒3型)混感模式需要警惕.PCV2疫苗的免疫率在55％～100％,各饲养阶段猪群抗体差异较大,但120～160日龄阶段可能存在野毒感染,猪圆环病毒2型的防控依然任重道远.
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