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A multiplex polymerase chain reaction (PCR) was designed for the simultaneous detection of three viruses involved in reproductive and respiratory failure in pigs: porcine reproductive and respiratory syndrome virus (PRRSV), classical swine fever virus (CSFV) and porcine circovirus type 2 (PCV-2). Each target produced a specific amplicon with a size of 718 bp (PRRSV), 288 bp (CSFV), or 466 bp (PCV-2)...
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