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Figure 2 | BMC Veterinary Research

Figure 2

From: Comparison of viremia of type II porcine reproductive and respiratory syndrome virus in naturally infected pigs by zip nucleic acid probe-based real-time PCR

Figure 2

Absolute copy number per microliter of PRRSV in serum from PRDC and clinically asymptomatic pigs. The serum of PRDC (n = 112) and asymptomatic pigs (n = 79) was analyzed using ZNA probe-based real-time PCR. The mean percentages (long horizontal lines) of the PRRSV load in the PRDC and asymptomatic pigs were compared. Error bars show SD. The PRRSV load was significantly higher (P < 0.0001) in the pigs with PRDC compared with the asymptomatic pigs, as assessed by unpaired, 2-tailed Student’s t-tests.

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