多杀性巴氏杆菌是实验兔的常见病原菌。它可使患兔发生鼻炎、肺炎、中耳炎、结膜炎、子宫蓄脓、睾丸炎、脓肿和全身性败血症。本文报导一例巴氏杆菌病的一种异常表现。病例报告病史:一只四月龄新西兰白色母兔突然发生双侧眼球震颤,后肢麻痹和斜颈。该兔是作为SPF(无多杀巴氏杆菌)兔从一家商贩处购入,并在兔笼内饲养了六周。在此期间,该兔处于控制的条件下,喂以颗粒饲料随意饮水,未做过实验。施以安死术后进行尸体剖检。病理学检查:主要肉眼变化是端脑,视 Pasteurella multocida is a common pathogen of experimental rabbits. It can cause rhinitis, pneumonia, otitis media, conjunctivitis, uterine suppuration, orchitis, abscess and systemic sepsis in rabbits. This article reports an abnormal case of Pasteurellosis. Case History of the Report: A four-month-old New Zealand white female rabbit had bilateral nystagmus, paralysis of the hind limbs and torticollis. The rabbit was purchased as a SPF (Pasteurella multocida) from a trader and kept in a rabbit cage for six weeks. During this period, the rabbits were kept under controlled conditions and were given free access to pellets and had not experimented. An autopsy post-mortem was performed. Pathological examination: The main change is the naked eye, depending on the visual