猪胸膜肺炎放线杆菌感染的肺部病变，猪
Necropsy photo of the lungs of a 5-year-old pet pig euthanized after a 1-week history of acute, severe respiratory disease. All lung lobes were edematous and hemorrhagic, and signs of bacterial sepsis were present in many other organs.
Courtesy of Dr. Grace VanHoy.
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