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. 2021 Nov 16;8:753297. doi: 10.3389/fvets.2021.753297

Figure 6.

Figure 6

Homologous and heterologous immune response of PCV2d Cap protein against the PCV2b and PCV2dagainst the PCV2b and PCV2d. (A) Specific antibody levels for PCV2b and PCV2d Cap proteins at 0 dpc. (B) Detection of PCV2 DNA in serum by PCR at 14 dpc. (C) Detection of the PCV2 DNA load in serum by RT-PCR at 14 dpc. (D) Levels of IFN-γ in blood at 14 dpc. The data are presented as group mean optical density (MOD ± standard error). Significant differences are indicated by different superscripts (A–C) (p < 0.05). Data were analyzed using one-way analysis of variance with Dunnett's multiple comparisons test using GraphPad Prism 7 software (GraphPad Software, USA), ****p < 0.001.