日本健康动物肠道内容物中单核细胞增生李斯特菌的流行情况。
Prevalence of Listeria monocytogenes in intestinal contents of healthy animals in Japan.
作者信息
Iida T, Kanzaki M, Maruyama T, Inoue S, Kaneuchi C
机构信息
Tokyo Metropolitan Research Laboratory of Public Health, Tokyo, Japan.
出版信息
J Vet Med Sci. 1991 Oct;53(5):873-5. doi: 10.1292/jvms.53.873.
A total of 1,705 fecal specimens or ileo-cecal contents of cattle, pigs, dogs, cats, chicken and rats were submitted for the isolation of Listeria monocytogenes by the use of the combination of Oxford-LPM agar plates after the cold enrichment in PBS at 4 degrees C for 4-6 weeks. Prevalence of L. monocytogenes was found to be 1.9% in cattle, 0.6% in pigs, 0.9% in dogs and 6.5% in rats. However, none of L. monocytogenes was isolated from chicken or cats. Among 26 isolates of L. monocytogenes, 13 strains (50%) were classified into types 1/2a (3 strains), 1/2b (5 strains) and 4b (5 strains) and were often associated with human listeriosis. The majority of the Listeria spp. other than L. monocytogenes isolated from these animals was found to be L. innocua.
总共提交了1705份牛、猪、狗、猫、鸡和大鼠的粪便样本或回盲部内容物，通过在4℃的PBS中进行4至6周的冷增菌后，使用牛津-LPM琼脂平板组合来分离单核细胞增生李斯特菌。结果发现，单核细胞增生李斯特菌在牛中的检出率为1.9%，在猪中为0.6%，在狗中为0.9%，在大鼠中为6.5%。然而，未从鸡或猫中分离出单核细胞增生李斯特菌。在26株单核细胞增生李斯特菌分离株中，13株（50%）被归类为1/2a型（3株）、1/2b型（5株）和4b型（5株），这些类型常与人类李斯特菌病相关。从这些动物中分离出的除单核细胞增生李斯特菌之外的大多数李斯特菌属菌株为无害李斯特菌。
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