Monitoring and Mitigation of E. coli O157:H7 in Commercial Dairies

T. A. McAllister; K. Stanford; S. J. Bach

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Monitoring and Mitigation of E. coli O157:H7 in Commercial Dairies

机译：监测和缓解商业乳制品中的O157：H7大肠杆菌

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Oral access to ropes is not a suitable method for monitoring E. coli O157:H7 in dairy cattle. Prevalence of E. coli O157:H7 is highest during summer months, a trend that corresponds with similar seasonality of somatic cell counts. Strict hygienic practices in dairies may reduce the prevalence of E. coli 0157:H7, as this pathogen was not detected in the cleanest of five dairies studied. Younger cattle are more likely to shed E. coli O157:H7 than are older cattle. Frequent mixing of animals may increase the prevalence and fecal shedding of E. coli O157:H7. E. coli O157:H7 isolates belonged to three main genetic clusters and genotypes tended to be dairy-specific. Dairies that mixed animals tended to yield isolates with greater genetic diversity. Strategies for direct control of E. coli O157:H7 should be commercially available within 3 to 5 years.

机译：口服绳索不适合用于监控奶牛中的大肠杆菌O157：H7。大肠杆菌O157：H7的患病率在夏季月份最高，这一趋势与体细胞计数的季节性相似。奶场中严格的卫生习惯可能会降低大肠杆菌0157：H7的患病率，因为在研究的五家奶场中最干净的一家都没有检测到这种病原体。与年长的牛相比，年少的牛更容易排出大肠杆菌O157：H7。动物的频繁混合可能会增加大肠杆菌O157：H7的患病率和粪便脱落。大肠杆菌O157：H7分离株属于三个主要的基因簇，基因型倾向于乳制品特异性。混合动物的奶牛倾向于生产具有更大遗传多样性的分离株。直接控制大肠杆菌O157：H7的策略应在3-5年内商业化。

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《Advances in Dairy Technology》 |2005年第0期|共20页
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T. A. McAllister; K. Stanford; S. J. Bach;
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1. Monitoring and Mitigation of E. coli O157:H7 in Commercial Dairies [J] . T. A. McAllister, K. Stanford, S. J. Bach Advances in Dairy Technology . 2005,第0期

机译：监测和缓解商业乳制品中的O157：H7大肠杆菌
2. A Novel Vehicle for Transmission of Escherichia coli O157:H7 to Humans: Multistate Outbreak of E. coli O157:H7 Infectionsn Associated With Consumption of Ready-to-Bake Commercial Prepackaged Cookie Dough—United States, 2009 [J] . Mark J. Sotir Clinical Infectious Diseases . 2012,第4期

机译：美国向人类传播大肠埃希氏菌O157：H7的新型媒介：大肠杆菌O157：H7感染的多州暴发与即食商用预包装曲奇面团的消耗相关，美国，2009年
3. Evaluation of Lactic Acid as an Initial and Secondary Subprimal Intervention for Escherichia coli O157:H7, Non-0157 Shiga Toxin-Producing E. coli, and a Nonpathogenic E. coli Surrogate for E. coli O157:H7 [J] . C. I. PITTMAN, I. GEORNARAS, D. R. WOERNER, Journal of food protection . 2012,第9期

机译：乳酸作为大肠杆菌O157：H7，产生非-0157志贺毒素的大肠杆菌和对大肠杆菌O157：H7的非致病性大肠杆菌替代品的初次和次级次要干预措施的评估
4. Development of a novel real-time paradigm for monitoring E coli O157:H7: Photonic growth patterns of bioluminescent E coli O157 transformed with two unique plasmids [C] . J. Barker, R. Broadway, J. Behrends, Annual Meeting of the American Association of Swine Veterinarians . 2011

机译：用于监测C大肠杆菌O157的新型实时范式：H7：用两个独特的质粒转化生物发光e大肠杆菌O157的光子生长模式
5. Interactions between Escherichia coli O157:H7 and environmental protozoa: The role of protozoa in seasonal variation of E. coli O157:H7 on cattle farms and effects of Shiga toxin-encoding bacteriophages on protozoan grazing. [D] . Schmidt, Carrie E. 2015

机译：大肠杆菌O157：H7与环境原生动物之间的相互作用：原生动物在牛场大肠杆菌O157：H7季节性变化中的作用以及志贺毒素编码噬菌体对原生动物放牧的影响。
6. Prevalence of Shiga Toxin-Producing Escherichia coli stx1 stx2 eaeA and rfbE Genes and Survival of E. coli O157:H7 in Manure from Organic and Low-Input Conventional Dairy Farms [O] . Eelco Franz, Michel M. Klerks, Oscar J. De Vos, 2007

机译：有机和低投入常规奶牛场粪便中产生志贺毒素的大肠杆菌stx1stx2eaeA和rfbE基因的流行率和大肠杆菌O157：H7的存活率
7. Hygienic-sanitary quality of vegetables and evaluation of treatments for the elimination of indigenous E. coli and E. coli O157:H7 from the surface of leaves of lettuce (Lactuca sativa L.) Qualidade higiênico-sanitária de hortaliças e avaliação de tratamentos para eliminação de E. coli indígena e E. coli O157:H7 na superfície de folhas de alface (Lactuca sativa L.) [O] . Ytana oliveira Santos, Rogeria Comastri de Castro Almeida, Alaise Gil Guimarães, 2010

机译：蔬菜的卫生卫生质量和从莴苣（Lactuca sativa L.）叶表面消除本土大肠杆菌和O157：H7的处理方法的评估蔬菜的卫生卫生质量和处理方法的评估莴苣叶表面上的原生大肠杆菌和大肠杆菌O157：H7的表达

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Monitoring and Mitigation of E. coli O157:H7 in Commercial Dairies

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