马放线杆菌感染的肾脏和肺部病变，幼驹

Necropsy photos of kidney and lungs from a 2-day-old foal with Actinobacillus equuli–associated sepsis. (A) The kidney shows multifocal, tan-yellow nodules throughout the cortex and extending to the capsular surface and corticomedullary junction. (B) The lungs show evidence of severe acute multifocal pneumonia.