Fig. 7From: Immune response enhancement by dietary supplementation with Caesalpinia sappan extract in weaned pigs challenged with porcine reproductive and respiratory syndrome virusI Effect of CS extract supplementation on lung pathology in pigs. The letters indicate lung pathology in the CON (A), CS (B), PRRSV (C), and PRRSV + CS (D) groups. II Effect of CS extract supplementation on the average number of gross lung lesions in pigs. The average gross lung scores were evaluated as the percentage of lung tissue affected by pneumonia. The data are shown as the mean ± SD. The asterisk indicates significant differences (**** p < 0.0001) between groupsBack to article page