生物统计结果表明，当前安徽省猪群中PRRSV的感染以变异株为主。
With the statistical analysis of biological, at present, the variant infections of PRRSV is overwhelming in Anhui province.
生物统计结果表明，当前安徽省猪群中PRRSV的感染以变异株为主。
With the statistical analysis of biological, at present, the variant infections of PRRSV is overwhelming in Anhui province.
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