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Figure 2

From: Using a concurrent challenge with porcine circovirus 2 and porcine reproductive and respiratory syndrome virus to compare swine vaccination programs

Figure 2

Mean values of (A) PRRSV-specific antibody response and (B) PCV2-specific antibody response as measured by ELISA. Values expressed as mean ± SEM. (A) Sample-to-positive (S/P) ratios equal to or greater than 0.4 were considered positive (cut-off value, dashed-line). (B) PCV2-specific titers equal to or greater than 1070 were considered positive (cut-off value, dashed-line). The results were compared using two-way ANOVA for multiple comparisons. Different lowercase letters (a–c) indicate significant differences between treatment groups (p < 0.05) for each time-point.

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