Fig. 7. Immunohistochemical analysis of DUOX1 and IL21 proteins in lungs from the PRRSV-HPS group and the control group. Negative cells are blue, and positive cells are yellow or brown. The DUOX1 in the control group (A) and PRRSV-HPS group (B). The IL21 in the control group (C) and PRRSV-HPS group (D). (E) Mean density of DUOX1 and IL21 proteins in the PRRSV-HPS group and control group.
PRRSV, porcine reproductive and respiratory syndrome virus; HPS, Haemophilus parasuis.
**p < 0.01 by the Wilcoxon rank-sum test.