Histological changes mainly were purulent or pyo-hemorrhagic bronchopneumonia ( 6 cases) and interstitial pneumonia ( 4 cases). 病理组织学变化主要为化脓性或化脓出血性支气管性肺炎(6例)与间质性肺炎(4例)。
Arcanobacterium pyogenes often cause cattle, sheep, pigs and other animals, purulent infection, mainly pneumonia, arthritis, endocarditis, mastitis, subcutaneous abscess and so on can cause great harm with livestock. 化脓隐秘杆菌(Arcanobacteriumpyogenes)常引起牛、羊、猪等动物的化脓性感染,主要表现为肺炎、关节炎、心内膜炎、乳腺炎、皮下脓肿等,对畜牧业可造成很大的危害。