Fig. 2From: Hypothalamus-pituitary-adrenal axis involves in anti-viral ability through regulation of immune response in piglets infected by highly pathogenic porcine reproductive and respiratory syndrome virusRepresentative images showing the gross pathological findings as well as the pathological changes in the lung of piglets from the four groups. Lung of one piglet that died in group A following HP-PRRS infection at 14 DPI (a and e), in group (b) at 6 DPI (b and f), humanely euthanized from Groups (c) (c and g) and (d) (d and h) at 14 DPI. e, f, g and h magnification: 100 ×Back to article page