Barrington G M, Parish S M
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman 99164-6610, USA.
J Am Vet Med Assoc. 1995 Aug 15;207(4):476-7.
An 18-month-old sexually intact male llama and a 7-month-old female llama were examined because of weakness, lethargy, and recumbency. Both had signs of ascending motor paralysis with minimal or no afferent sensory loss. Tick paralysis was diagnosed on the basis of complete clinical recovery following removal of a single, attached and engorged female tick (Dermacentor andersoni) from each llama. The male llama recovered within a few hours after removal of the tick, but recovery in the female llama required several days. Serum creatine kinase activity was high in both llamas, possibly as a result of direct effects of toxin on muscles or nerves.
一只18个月大的未绝育雄性美洲驼和一只7个月大的雌性美洲驼因虚弱、嗜睡和卧地不起而接受检查。两者均有上行性运动麻痹的体征，传入感觉丧失轻微或无感觉丧失。根据从每只美洲驼身上移除一只附着且饱血的雌性蜱（安德逊革蜱）后临床完全恢复，诊断为蜱瘫痪。雄性美洲驼在移除蜱后数小时内恢复，但雌性美洲驼的恢复需要数天。两只美洲驼的血清肌酸激酶活性均较高，可能是毒素对肌肉或神经直接作用的结果。
