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The Impact Of The Bovine Faecal Microbiome On Escherichia Coli O157:H7 Prevalence And Enumeration In Naturally Infected Cattle, M. Kim, L. A. Kuehn, J. L. Bono, E. D. Berry, N. Kalchayanand, H. C. Freetly, A. K. Benson, J. E. Wells
The Impact Of The Bovine Faecal Microbiome On Escherichia Coli O157:H7 Prevalence And Enumeration In Naturally Infected Cattle, M. Kim, L. A. Kuehn, J. L. Bono, E. D. Berry, N. Kalchayanand, H. C. Freetly, A. K. Benson, J. E. Wells
Department of Food Science and Technology: Faculty Publications
Aims: The objective of this study was to determine if the faecal microbiome has an association with Escherichia coli O157:H7 prevalence and enumeration.
Methods and Results: Pyrosequencing analysis of faecal microbiome was performed from feedlot cattle fed one of three diets: (i) 94 heifers fed low concentrate (LC) diet, (ii) 142 steers fed moderate concentrate (MC) diet, and (iii) 132 steers fed high concentrate (HC) diet. A total of 322 585 OTUs were calculated from 2,411,122 high-quality sequences obtained from 368 faecal samples. In the LC diet group, OTUs assigned to the orders Clostridiales and RF39 (placed within …