马来西亚西部牛和水牛钩端螺旋体感染的细菌学流行情况
The bacteriological prevalence of leptospiral infection in cattle and buffaloes in West Malaysia.
作者信息
Bahaman A R, Ibrahim A L, Stallman N D, Tinniswood R D
机构信息
Faculty of Veterinary Medicine and Animal Science, Universiti Pertanian, Malaysia, Selangor.
出版信息
Epidemiol Infect. 1988 Apr;100(2):239-46. doi: 10.1017/s0950268800067376.
A cross-sectional bacteriological survey of cattle in West Malaysia revealed 14.4% (32/222) had leptospiral infection. Isolates were obtained from all except one herd with prevalence of infection in herds ranging from 0-44.8%. A small number of buffalo urine samples were examined and all of them were found to be negative. A leptospiral isolate obtained from a bovine kidney proved to be a new serovar of Leptospira interrogans and the name unipertama was assigned to it. Six other leptospiral serovars were isolated, namely canicola, australis, javanica, ballum, pomona and hardjo. All six serovars were isolated for the first time in cattle in Malaysia. Cattle in Malaysia appear to be the maintenance host for serovar hardjo. The presence of the other serovars in cattle was probably due to contact with the maintenance hosts, pigs for serovar pomona and rodents for the other three serovars. It appears that the epidemiology of leptospiral infection in cattle in Malaysia is similar to that reported overseas.
一项对马来西亚西部牛群的横断面细菌学调查显示，14.4%（32/222）的牛感染了钩端螺旋体。除一个牛群外，其他所有牛群均分离到了菌株，各牛群的感染率在0至44.8%之间。对少量水牛尿液样本进行了检测，结果均为阴性。从一头牛的肾脏中分离出的一株钩端螺旋体被证实是问号钩端螺旋体的一个新血清型，并将其命名为unipertama。还分离出了其他六种钩端螺旋体血清型，即犬型、澳洲型、爪哇型、拜伦型、波摩那型和哈德乔型。这六种血清型均首次在马来西亚的牛群中分离到。马来西亚的牛似乎是哈德乔血清型的储存宿主。牛群中出现其他血清型可能是由于与储存宿主接触所致，波摩那血清型是与猪接触，其他三种血清型是与啮齿动物接触。马来西亚牛群中钩端螺旋体感染的流行病学情况似乎与海外报道的相似。
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