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Fig. 4 | BMC Veterinary Research

Fig. 4

From: Optimized protocol for double vaccine immunization against classical swine fever and porcine reproductive and respiratory syndrome

Fig. 4

Effects of different immunization protocols against CSF and PRRS on the concentration of IFN-γ in swine. (A–H) Concentrations of IFN-γ at the indicated time points after vaccinations. Note: the bars are the respective standard deviation. Data are shown as the mean ± SD, and different letters (a, b, c) and (*) above the bars indicate significant differences (P < 0.05) as in Fig. 1; (ns) indicates no significant differences among S + PRRS, S-PRRS, PRRS-S and control groups within different immunization time (P > 0.1)

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