乳制品工厂环境中的单核细胞增生李斯特菌、小肠结肠炎耶尔森菌和沙门氏菌。
Listeria monocytogenes, Yersinia enterocolitica, and Salmonella in dairy plant environments.
作者信息
Cotton L N, White C H
机构信息
Southeast Dairy Foods and Research Center, Mississippi State University, Mississippi State 39762.
出版信息
J Dairy Sci. 1992 Jan;75(1):51-7. doi: 10.3168/jds.S0022-0302(92)77737-6.
In order to determine the presence of the three environmental pathogens in dairy plants, six milk and four ice cream plants in a three state area were sampled. A total of 353 environmental samples were taken over three replications. Bacterial counts were performed on the environmental samples for chi-square analysis. Salmonella spp. were not isolated from any of the environmental samples. Yersinia enterocolitica was isolated from 6.8% of the environmental samples. Listeria monocytogenes was isolated from 6.5% of the environmental samples. Listeria spp. other than L. monocytogenes were isolated from 9.3% of the environmental samples. The presence of Y. enterocolitica was significantly related to high bacterial counts for six microbiological tests. The presence of L. monocytogenes was not related to high bacterial counts.
为了确定乳制品厂中三种环境病原体的存在情况，对一个三州地区的六家牛奶厂和四家冰淇淋厂进行了采样。在三次重复采样过程中，共采集了353份环境样本。对环境样本进行细菌计数以进行卡方分析。在任何环境样本中均未分离出沙门氏菌属。从6.8%的环境样本中分离出小肠结肠炎耶尔森菌。从6.5%的环境样本中分离出单核细胞增生李斯特菌。从9.3%的环境样本中分离出除单核细胞增生李斯特菌之外的李斯特菌属。对于六项微生物检测，小肠结肠炎耶尔森菌的存在与高细菌计数显著相关。单核细胞增生李斯特菌的存在与高细菌计数无关。
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