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Prevalence of Escherichia coli O157:H7 and Salmonella in beef steers consuming different forage diets*
| Content Provider | Scilit |
|---|---|
| Author | Looper, M. L. Edrington, T. S. Flores, R. Rosenkrans, C. F. Nihsen, M. E. Aiken, G. E. |
| Copyright Year | 2006 |
| Description | Journal: Letters in applied microbiology To compare the prevalence of faecal shedding of Escherichia coli O157:H7 and Salmonella in growing beef cattle consuming various forages. In Experiment I, faecal samples were collected from steers grazing either endophyte-infected (E+) tall fescue or common bermudagrass (CB). Steers grazing E+ tall fescue were confined to a dry-lot pen and fed CB hay ad libitum for 10 days. In Exp. II, faecal samples were collected from steers grazing either E+ or novel endophyte-infected (NE) tall fescue and treated with one of two anthelmintics: ivermectin (I) or fenbendazole (F). In Exp. I, prevalence of E. coli O157:H7 was less in E+ tall fescue steers fed CB hay than steers grazing CB. More I-treated steers shed Salmonella than F-treated steers at 42-day postanthelmintic treatment but shedding of Salmonella was similar between anthelmintics at day 63 in Exp. II. Faecal shedding of pathogenic bacteria was not affected by grazing E+ tall fescue. Alterations of forage diets may influence the prevalence of E. coli O157:H7, and anthelmintic treatment could affect faecal shedding of Salmonella. Knowledge of factors that influence shedding of pathogenic bacteria in cattle is necessary to develop on-farm intervention strategies aimed at reducing pathogen shedding. |
| Related Links | http://onlinelibrary.wiley.com/doi/10.1111/j.1472-765X.2006.01888.x/pdf |
| Ending Page | 588 |
| Page Count | 6 |
| Starting Page | 583 |
| e-ISSN | 1472765X |
| DOI | 10.1111/j.1472-765x.2006.01888.x |
| Journal | Letters in applied microbiology |
| Issue Number | 6 |
| Volume Number | 42 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 2006-03-16 |
| Access Restriction | Open |
| Subject Keyword | Journal: Letters in applied microbiology Agriculture and Animal Production Escherichia Coli O157:h7 |
| Content Type | Text |
| Resource Type | Article |
