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To obtain more information of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) transmission via faeces in/between farms, 360 swine faecal samples were randomly collected from different farms in China from 2017 to 2019. Sixty‐two ORF5 genes were amplified by PCR from 120 positive samples identified by real‐time RT‐PCR and further characterized by sequencing. Phylogenetic analysis based on...
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