Survival of Escherichia coli O157:H7 in feces from corn- and barley-fed steers
The survival of Escherichia coli O157:H7 in feces from steers fed corn (CO) or barley (BA) was evaluated at −10, +4 and +22 °C. Fecal pats were inoculated with a four-strain mixture of nalidixic-acid resistant E. coli O157:H7 at two levels: 10 3 CFU g −1 (low, L) and 10 5 CFU g −1 (high, H). At −10...
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| creator | Bach, Susan J. Stanford, Kim McAllister, Timothy A. |
| description | The survival of
Escherichia coli O157:H7 in feces from steers fed corn (CO) or barley (BA) was evaluated at −10, +4 and +22
°C. Fecal pats were inoculated with a four-strain mixture of nalidixic-acid resistant
E. coli O157:H7 at two levels: 10
3
CFU
g
−1 (low, L) and 10
5
CFU
g
−1 (high, H). At −10
°C, duration of survival of
E. coli O157:H7 was reduced (
p
<
0.05) in CO-L (35 days) compared to BA-L (49 days), likely due to the effects of fecal volatile fatty acids in combination with a fecal pH of
0.05) observed in the duration of survival or rate of decline of
E. coli O157:H7 among treatments. Survival of
E. coli O157:H7 was twice as likely (
p
<
0.05) at 22
°C than at 4
°C and −10
°C. While pH and dry matter content increased, and volatile fatty acid concentrations decreased over 84 days at all three temperatures, these changes were most pronounced at 22
°C. Survival of
E. coli O157:H7 for extended periods of time in feces from both corn- and barley-fed animals was demonstrated, thus fecal material may serve as a vector for the transmission of the organism. The greater survival of
E. coli O157:H7 at 22
°C suggests that temperature may play a role in the seasonality of transmission and prevalence of this bacterium in feedlot cattle. The reported greater prevalence of
E. coli O157:H7 in cattle fed barley as compared to those fed corn does not appear to be related to elevated risk of transmission arising from differential survival of the bacterium in feces. |
| doi_str_mv | 10.1016/j.femsle.2005.08.030 |
| format | Article |
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Escherichia coli O157:H7 in feces from steers fed corn (CO) or barley (BA) was evaluated at −10, +4 and +22
°C. Fecal pats were inoculated with a four-strain mixture of nalidixic-acid resistant
E. coli O157:H7 at two levels: 10
3
CFU
g
−1 (low, L) and 10
5
CFU
g
−1 (high, H). At −10
°C, duration of survival of
E. coli O157:H7 was reduced (
p
<
0.05) in CO-L (35 days) compared to BA-L (49 days), likely due to the effects of fecal volatile fatty acids in combination with a fecal pH of <6.5. At 4
°C,
E. coli O157:H7 was detected in BA-H, CO-H, CO-L and BA-L for 77, 77, 56 and 63 days, respectively, with no difference (
p
>
0.05) observed in the duration of survival or rate of decline of
E. coli O157:H7 among treatments. Survival of
E. coli O157:H7 was twice as likely (
p
<
0.05) at 22
°C than at 4
°C and −10
°C. While pH and dry matter content increased, and volatile fatty acid concentrations decreased over 84 days at all three temperatures, these changes were most pronounced at 22
°C. Survival of
E. coli O157:H7 for extended periods of time in feces from both corn- and barley-fed animals was demonstrated, thus fecal material may serve as a vector for the transmission of the organism. The greater survival of
E. coli O157:H7 at 22
°C suggests that temperature may play a role in the seasonality of transmission and prevalence of this bacterium in feedlot cattle. The reported greater prevalence of
E. coli O157:H7 in cattle fed barley as compared to those fed corn does not appear to be related to elevated risk of transmission arising from differential survival of the bacterium in feces.</description><identifier>ISSN: 0378-1097</identifier><identifier>EISSN: 1574-6968</identifier><identifier>DOI: 10.1016/j.femsle.2005.08.030</identifier><identifier>PMID: 16299922</identifier><identifier>CODEN: FMLED7</identifier><language>eng</language><publisher>Oxford, UK: Elsevier B.V</publisher><subject>Acid resistance ; Animal Feed ; Animals ; Bacteria ; Bacteriology ; Barley ; Biological and medical sciences ; Cattle ; Colony Count, Microbial ; Corn ; Diet ; Dry matter ; E coli ; Escherichia coli ; Escherichia coli O157 - growth & development ; Escherichia coli O157 - isolation & purification ; Escherichia coli O157:H7 ; Fatty acids ; Feces ; Feces - chemistry ; Feces - microbiology ; Fundamental and applied biological sciences. Psychology ; Hordeum ; Hordeum vulgare ; Male ; Microbiology ; Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains ; pH effects ; Seasonal variations ; Seasons ; Survival ; Temperature ; Vegetables ; Volatile fatty acids ; Zea mays</subject><ispartof>FEMS microbiology letters, 2005-11, Vol.252 (1), p.25-33</ispartof><rights>2005 Federation of European Microbiological Societies</rights><rights>2005 Federation of European Microbiological Societies 2005</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5375-867855943f0053a1ebf310667b35ed4e327cd908567fc19e581b6f7d463cc3123</citedby><cites>FETCH-LOGICAL-c5375-867855943f0053a1ebf310667b35ed4e327cd908567fc19e581b6f7d463cc3123</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1016%2Fj.femsle.2005.08.030$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1016%2Fj.femsle.2005.08.030$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17186434$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16299922$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bach, Susan J.</creatorcontrib><creatorcontrib>Stanford, Kim</creatorcontrib><creatorcontrib>McAllister, Timothy A.</creatorcontrib><title>Survival of Escherichia coli O157:H7 in feces from corn- and barley-fed steers</title><title>FEMS microbiology letters</title><addtitle>FEMS Microbiol Lett</addtitle><description>The survival of
Escherichia coli O157:H7 in feces from steers fed corn (CO) or barley (BA) was evaluated at −10, +4 and +22
°C. Fecal pats were inoculated with a four-strain mixture of nalidixic-acid resistant
E. coli O157:H7 at two levels: 10
3
CFU
g
−1 (low, L) and 10
5
CFU
g
−1 (high, H). At −10
°C, duration of survival of
E. coli O157:H7 was reduced (
p
<
0.05) in CO-L (35 days) compared to BA-L (49 days), likely due to the effects of fecal volatile fatty acids in combination with a fecal pH of <6.5. At 4
°C,
E. coli O157:H7 was detected in BA-H, CO-H, CO-L and BA-L for 77, 77, 56 and 63 days, respectively, with no difference (
p
>
0.05) observed in the duration of survival or rate of decline of
E. coli O157:H7 among treatments. Survival of
E. coli O157:H7 was twice as likely (
p
<
0.05) at 22
°C than at 4
°C and −10
°C. While pH and dry matter content increased, and volatile fatty acid concentrations decreased over 84 days at all three temperatures, these changes were most pronounced at 22
°C. Survival of
E. coli O157:H7 for extended periods of time in feces from both corn- and barley-fed animals was demonstrated, thus fecal material may serve as a vector for the transmission of the organism. The greater survival of
E. coli O157:H7 at 22
°C suggests that temperature may play a role in the seasonality of transmission and prevalence of this bacterium in feedlot cattle. The reported greater prevalence of
E. coli O157:H7 in cattle fed barley as compared to those fed corn does not appear to be related to elevated risk of transmission arising from differential survival of the bacterium in feces.</description><subject>Acid resistance</subject><subject>Animal Feed</subject><subject>Animals</subject><subject>Bacteria</subject><subject>Bacteriology</subject><subject>Barley</subject><subject>Biological and medical sciences</subject><subject>Cattle</subject><subject>Colony Count, Microbial</subject><subject>Corn</subject><subject>Diet</subject><subject>Dry matter</subject><subject>E coli</subject><subject>Escherichia coli</subject><subject>Escherichia coli O157 - growth & development</subject><subject>Escherichia coli O157 - isolation & purification</subject><subject>Escherichia coli O157:H7</subject><subject>Fatty acids</subject><subject>Feces</subject><subject>Feces - chemistry</subject><subject>Feces - microbiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hordeum</subject><subject>Hordeum vulgare</subject><subject>Male</subject><subject>Microbiology</subject><subject>Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains</subject><subject>pH effects</subject><subject>Seasonal variations</subject><subject>Seasons</subject><subject>Survival</subject><subject>Temperature</subject><subject>Vegetables</subject><subject>Volatile fatty acids</subject><subject>Zea mays</subject><issn>0378-1097</issn><issn>1574-6968</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkV1rFDEUhgdR7Fr9ByIB0buZnnxnvBCktFZY7YV6HTKZE5pldmZNdlb6780yCwUvtFe5yPO-OSdPVb2m0FCg6mLTBNzmARsGIBswDXB4Uq2o1KJWrTJPqxVwbWoKrT6rXuS8AQDBQD2vzqhibdsytqq-fZ_TIR7cQKZArrK_wxT9XXTET0Mkt6Xtw40mcSQBPWYS0rQtV2msiRt70rk04H0dsCd5j5jyy-pZcEPGV6fzvPp5ffXj8qZe337-cvlpXXvJtayN0kbKVvBQZueOYhc4BaV0xyX2AjnTvm_BSKWDpy1KQzsVdC8U955Txs-r90vvLk2_Zsx7u43Z4zC4Eac5W2UMVRrEf0GqBQijTQHf_gVupjmNZQnLOKgyLVOqUGKhfJpyThjsLsWtS_eWgj1qsRu7aLFHLRaMLVpK7M2pfO622D-ETh4K8O4EuOzdEJIbfcwPnKZGCX5cRy_c71g-_lGP2-uvayZL8mJJTvPusUN_XBJYRB4iJpt9xNFjHxP6ve2n-O-CPwL8yZg</recordid><startdate>200511</startdate><enddate>200511</enddate><creator>Bach, Susan J.</creator><creator>Stanford, Kim</creator><creator>McAllister, Timothy A.</creator><general>Elsevier B.V</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Oxford University Press</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7T7</scope><scope>7TK</scope><scope>7TM</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>200511</creationdate><title>Survival of Escherichia coli O157:H7 in feces from corn- and barley-fed steers</title><author>Bach, Susan J. ; Stanford, Kim ; McAllister, Timothy A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5375-867855943f0053a1ebf310667b35ed4e327cd908567fc19e581b6f7d463cc3123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Acid resistance</topic><topic>Animal Feed</topic><topic>Animals</topic><topic>Bacteria</topic><topic>Bacteriology</topic><topic>Barley</topic><topic>Biological and medical sciences</topic><topic>Cattle</topic><topic>Colony Count, Microbial</topic><topic>Corn</topic><topic>Diet</topic><topic>Dry matter</topic><topic>E coli</topic><topic>Escherichia coli</topic><topic>Escherichia coli O157 - growth & development</topic><topic>Escherichia coli O157 - isolation & purification</topic><topic>Escherichia coli O157:H7</topic><topic>Fatty acids</topic><topic>Feces</topic><topic>Feces - chemistry</topic><topic>Feces - microbiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hordeum</topic><topic>Hordeum vulgare</topic><topic>Male</topic><topic>Microbiology</topic><topic>Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains</topic><topic>pH effects</topic><topic>Seasonal variations</topic><topic>Seasons</topic><topic>Survival</topic><topic>Temperature</topic><topic>Vegetables</topic><topic>Volatile fatty acids</topic><topic>Zea mays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bach, Susan J.</creatorcontrib><creatorcontrib>Stanford, Kim</creatorcontrib><creatorcontrib>McAllister, Timothy A.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>FEMS microbiology letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bach, Susan J.</au><au>Stanford, Kim</au><au>McAllister, Timothy A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Survival of Escherichia coli O157:H7 in feces from corn- and barley-fed steers</atitle><jtitle>FEMS microbiology letters</jtitle><addtitle>FEMS Microbiol Lett</addtitle><date>2005-11</date><risdate>2005</risdate><volume>252</volume><issue>1</issue><spage>25</spage><epage>33</epage><pages>25-33</pages><issn>0378-1097</issn><eissn>1574-6968</eissn><coden>FMLED7</coden><abstract>The survival of
Escherichia coli O157:H7 in feces from steers fed corn (CO) or barley (BA) was evaluated at −10, +4 and +22
°C. Fecal pats were inoculated with a four-strain mixture of nalidixic-acid resistant
E. coli O157:H7 at two levels: 10
3
CFU
g
−1 (low, L) and 10
5
CFU
g
−1 (high, H). At −10
°C, duration of survival of
E. coli O157:H7 was reduced (
p
<
0.05) in CO-L (35 days) compared to BA-L (49 days), likely due to the effects of fecal volatile fatty acids in combination with a fecal pH of <6.5. At 4
°C,
E. coli O157:H7 was detected in BA-H, CO-H, CO-L and BA-L for 77, 77, 56 and 63 days, respectively, with no difference (
p
>
0.05) observed in the duration of survival or rate of decline of
E. coli O157:H7 among treatments. Survival of
E. coli O157:H7 was twice as likely (
p
<
0.05) at 22
°C than at 4
°C and −10
°C. While pH and dry matter content increased, and volatile fatty acid concentrations decreased over 84 days at all three temperatures, these changes were most pronounced at 22
°C. Survival of
E. coli O157:H7 for extended periods of time in feces from both corn- and barley-fed animals was demonstrated, thus fecal material may serve as a vector for the transmission of the organism. The greater survival of
E. coli O157:H7 at 22
°C suggests that temperature may play a role in the seasonality of transmission and prevalence of this bacterium in feedlot cattle. The reported greater prevalence of
E. coli O157:H7 in cattle fed barley as compared to those fed corn does not appear to be related to elevated risk of transmission arising from differential survival of the bacterium in feces.</abstract><cop>Oxford, UK</cop><pub>Elsevier B.V</pub><pmid>16299922</pmid><doi>10.1016/j.femsle.2005.08.030</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0378-1097 |
| ispartof | FEMS microbiology letters, 2005-11, Vol.252 (1), p.25-33 |
| issn | 0378-1097 1574-6968 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_68816704 |
| source | MEDLINE; Wiley Online Library Journals Frontfile Complete; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection |
| subjects | Acid resistance Animal Feed Animals Bacteria Bacteriology Barley Biological and medical sciences Cattle Colony Count, Microbial Corn Diet Dry matter E coli Escherichia coli Escherichia coli O157 - growth & development Escherichia coli O157 - isolation & purification Escherichia coli O157:H7 Fatty acids Feces Feces - chemistry Feces - microbiology Fundamental and applied biological sciences. Psychology Hordeum Hordeum vulgare Male Microbiology Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains pH effects Seasonal variations Seasons Survival Temperature Vegetables Volatile fatty acids Zea mays |
| title | Survival of Escherichia coli O157:H7 in feces from corn- and barley-fed steers |
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