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Fig. 7 | Porcine Health Management

Fig. 7

From: The use of oral fluids to monitor key pathogens in porcine respiratory disease complex

Fig. 7

PCV2 viral load for OF samples collected in the same pen. PCV2 viral load logarithmic values for pairs of OF samples collected from the same pens in the same time point. For each pen the rope with the highest and the lowest viral load were included. In BLACK, viral load over the limit of quantification for both ropes; as it has been not defined for OF, the authors considered the reference value for serum (1 × 104 genome copies/mL). In BLUE, PCV2 positive samples with at least one rope over the limit of detection (1 × 103.48 genome copies/mL) but under limit of quantification (1 × 104 genome copies/mL). In GREY, PCV2 viral load values under the limit of detection for at least one rope; note that viral load values under the limit of quantification could be not accurately quantified. There was a strong correlation (R 2 = 0.97, p < 0.01) between viral load for pairs of ropes with PCV2 viral load over the limit of detection

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