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                    U.S. DEPARTMENT OF AGRICULTURE
 Meat Safety and Quality: Clay Center, NE
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ARS Home Plains Area Clay Center, Nebraska U.S. Meat Animal Research Center Meat Safety and Quality People & Locations







James E Wells, Jr.

(Jim)
                        Meat Safety and Quality

                        




                        
                        Research Microbiologist
                        Phone: (402) 762-4174
                        
                        
                        Fax: (402) 762-4209(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsPrevention and Mitigation of Pathogen Transmission from Cattle and Swine to Food, Water, and Environment
                                                    In-House Appropriated
                                                                    (D)Accession Number: 439046Identification of Genetic Predictors and Molecular Indicators of Liver Abscesses in Beef Cattle
                                                    Interagency Reimbursable Agreement
                                                                    (I)Accession Number: 444393Identifying AMR Gene Reservoirs and Bacterial Host-AMR Gene Associations To Identify Bacterial Host Range of AMR Genes in Swine
                                                    Reimbursable Cooperative Agreement
                                                                    (R)Accession Number: 444506Understanding the Risks Associated with Utilizing Genetically Engineered Microbes in Beef Cattle Production Systems: ...
                                                    Reimbursable Cooperative Agreement
                                                                    (R)Accession Number: 443428Investigating the Emergence and Ecology of Antimicrobial Resistance in High Risk Beef Cattle
                                                    Reimbursable Cooperative Agreement
                                                                    (R)Accession Number: 437880**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Utilization of rumen protected lysine and methionine in beef feedlot diets: impacts on steer performance

- (Abstract Only)Why are some cows skinny? An evaluation of stress and immune factors

- (Abstract Only)An analysis of culture-based methods used for the detection and isolation of Salmonella spp., Escherichia coli, and Enterococcus spp. from surface water: a systematic review
                                                        

- (Peer Reviewed Journal)Mcconn, B.R., Kraft, A.L., Durso, L.M., Ibekwe, A.M., Frye, J.G., Wells, J., Tobey, E.M., Ritchie, S.M., Williams, C.F., Cook, K.L., Sharma, M. 2024. An analysis of culture-based methods used for the detection and isolation of Salmonella spp., Escherichia coli, and Enterococcus spp. from surface water: a systematic review. Science of the Total Environment. https://doi.org/10.1016/j.scitotenv.2024.172190.Utilizing a novel direct-fed microbial as an alternative for tylosin phosphate to control liver abscesses and decrease antimicrobial use in finishing beef steers

- (Peer Reviewed Journal)Validation of a minimally-invasive method for sampling epithelial-associated microorganisms on the rumen wall
                                                        

- (Peer Reviewed Journal)Henniger, M.T., Rowan, T.N., Beever, J.E., Mulon, P., Smith, J.S., Voy, B.H., Wells, J.E., Kuehn, L.A., Myer, P.R. 2023. Validation of a minimally-invasive method for sampling epithelial-associated microorganisms on the rumen wall. Frontiers in Animal Science. 4. Article 1270550. https://doi.org/10.3389/fanim.2023.1270550.A comparison of methods to detect low levels of Salmonella enterica in surface waters to support antimicrobial resistance surveillance efforts performed in multiple laboratories
                                                        

- (Peer Reviewed Journal)Kraft, A., Wells, J., Frye, J.G., Ibekwe, A.M., Durso, L.M., Hiott, L.M., East, C.L., Mcconn, B., Franklin, A.M., Boczek, L.A., Garland, J.L., Kabrera, C., Mcdermott, P., Ottesen, A.R., Zheng, J., Cook, K.L., Sharma, M. 2023. A comparison of methods to detect low levels of Salmonella enterica in surface waters to support antimicrobial resistance surveillance efforts performed in multiple laboratories  . Science of the Total Environment. https://doi.org/10.1016/j.scitotenv.2023.167189.Evaluation of idexx quantitray for quantification and isolation of antibiotic resistant bacteria

- (Abstract Only)Durso, L.M., Wells, J., Ibekwe, A.M., Frye, J.G., Sharma, M., Berry, E.D. 2023. Evaluation of idexx quantitray for quantification and isolation of antibiotic resistant bacteria. ASA-CSSA-SSSA Annual Meeting Abstracts. Available: https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/149118.Antibimicrobial susceptibility of trimethoprim-sulfamethoxazole and 3rd-generation cephalosporin-resistant Escherichia coli isolates enumerated longitudinally...
                                                        

- (Peer Reviewed Journal)Long, N.S., Hales, K.E., Berry, E.D., Legako, J.F., Woerner, D.R., Broadway, P.R., Carroll, J.A., Sanchez, N.C.B., Fernando, S.C., Wells, J.E. 2023. Antibimicrobial susceptibility of trimethoprim-sulfamethoxazole and 3rd-generation cephalosporin-resistant Escherichia coli isolates enumerated longitudinally from feedlot arrival to harvest in high-risk beef cattle administered common metaphylactic antimicrobials. Foodborne Pathogens and Disease. 20(7):252-260. https://doi.org/10.1089/fpd.2023.0001.Infrared thermography or rectal temperature as qualification for targerted metaphylaxis in high-risk, newly received beef steers and the effects on growth performance, complete blood count, and serum haptoglovin during...
                                                        

- (Peer Reviewed Journal)Smock, T.M., Broadway, P.R., Sanchez, N.C., Carroll, J.A., Hoffman, A.A., Long, N.S., Manahan, J.L., McDaniel, Z.S., Theurer, M.E., Wells, J., Hales, K.E. 2023. Infrared thermography or rectal temperature as qualification for targerted metaphylaxis in high-risk, newly received beef steers and the effects on growth performance, complete blood count, and serum haptoglovin during a 42-day feedlot receiving period. Applied Animal Science. 39(4):213-226. https://doi.org/10.15232/aas.2022-02370.Microbiomes from theory to application

- (Abstract Only)Adams, S., Aluthge, N.D., Abbas, W., Spangler, M.L., Wells, J., Hales, K.E., Kuehn, L.A., Oliver, W.T., Burkey, T., Miller, P.S., Fernando, S.C. 2023. Microbiomes from theory to application. Journal of Animal Science. 101(supplement 2):63.Using a novel direct-fed microbial as an alternative for tylosin phosphate to control liver abscesses and decrease antimicrobial use in finishing beef steers

- (Abstract Only)Hoffman, A.A., Fernando, S.C., Wells, J., Woerner, D.R., Manahan, J.L., Long, N.S., McDaniel, Z.S., Smock, T.M., Line, D.J., Broadway, P.R., Carroll, J.A., Sanchez, N.C., Hales, K.E. 2023. Using a novel direct-fed microbial as an alternative for tylosin phosphate to control liver abscesses and decrease antimicrobial use in finishing beef steers. Journal of Animal Science Supplement.Longitudinal assessment of prevalence and incidence of Salmonella and Escherichia coli O157 resistance to antimicrobials in feedlot cattle sourced and finished in different regions of the U.S.

- (Abstract Only)Dornbach, C.W., Hales, K.E., Gubbels, E., Wells, J., Hoffman, A.A., Hanratty, A.N., Line, D.J., Smock, T.M., Manahan, J.L., McDaniel, Z.S., Kohl, K.B., Sanchez, N.C., Carroll, J.A., Rusche, W., Smith, Z.K., Broadway, P.R. 2023. Longitudinal assessment of prevalence and incidence of Salmonella and Escherichia coli O157 resistance to antimicrobials in feedlot cattle sourced and finished in different regions of the U.S.. Journal of Animal Science Supplement.Microbiome taxa involved in carbohydrate breakdown and synthesis of SFCA in the piglet gut
                                                        

- (Abstract Only)Davies, C.L., Garrett, W.M., Xiong, W., Cole, R.N., O'Meally, R., Oliver, W.T., Wells, J., Summers, K.L. 2023. Microbiome taxa involved in carbohydrate breakdown and synthesis of SFCA in the piglet gut. Meeting Abstract. https://doi.org/10.1093/jas/skad281.773.Longitudinal assessment of prevalence and incidence of Salmonella and Escherichia coli O157 resistance to antimicrobials in feedlot cattle sourced and finished in different regions of the U.S.
                                                        

- (Peer Reviewed Journal)Dornbach, C.W., Hales, K.E., Gubbels, E., Wells, J., Hoffman, A.A., Hanratty, A.N., Line, D.J., Smock, T.M., Manahan, J.L., McDaniel, Z.S., Kohl, K.B., Sanchez, N.C., Carroll, J.A., Warren, R., Smith, Z.K., Broadway, P.R. 2023. Longitudinal assessment of prevalence and incidence of Salmonella and Escherichia coli O157 resistance to antimicrobials in feedlot cattle sourced and finished in different regions of the U.S. Foodborne Pathogens and Disease. 20(8). https://doi.org/10.1089/fpd.2023.0009.Using a novel direct-fed microbial as an alternative for tylosin phosphate to control liver abscesses and decrease antimicrobial use in finishing beef

- (Abstract Only)Hoffman, A.A., Fernando, S.C., Wells, J., Woerner, D.R., Manahan, J.L., Long, N.S., McDaniel, Z.S., Smock, T.M., Line, D.J., Broadway, P.R., Carroll, J.A., Sanchez, N.C., Hales, K.E. 2023. Using a novel direct-fed microbial as an alternative for tylosin phosphate to control liver abscesses and decrease antimicrobial use in finishing beef. Proceeding of Plains Nutrition Council Symposium. p. 106.Longitudinal assessment of prevalence and incidence of Salmonella and Escherichia coli O157 resistance to antimicrobials in feedlot cattle sourced and finished in different regions of the U.S

- (Abstract Only)Dornbach, C.W., Hales, K.E., Gubbels, E., Wells, J., Hoffman, A.A., Hanratty, A.N., Line, D.J., Smock, T.M., Manahan, J.L., McDaniel, Z.S., Kohl, K.B., Sanchez, N.C., Carroll, J.A., Rusche, W., Smith, W., Broadway, P.R. 2023. Longitudinal assessment of prevalence and incidence of Salmonella and Escherichia coli O157 resistance to antimicrobials in feedlot cattle sourced and finished in different regions of the U.S. Proceeding of Plains Nutrition Council Symposium. p. 98.Longitudinal assessment of prevalence and incidence of Salmonella and Escherichia coli O157 in beef heifers sourced and finished in different regions of the United States

- (Abstract Only)The effects of administering different metaphylactic antimicrobials on growth performance and health outcomes of high-risk, newly received feedlot steers
                                                        

- (Peer Reviewed Journal)Coppin, C.M., Smock, T.M., Helmuth, C.L., Manahan, J.L., Long, N.S., Hoffman, A.A., Carroll, J.A., Broadway, P.R., Sanchez, N.C., Wells, J., Fernando, S.C., Hales, K.E. 2022. The effects of administering different metaphylactic antimicrobials on growth performance and health outcomes of high-risk, newly received feedlot steers. Translational Animal Science. 6(4). Article txac140. https://doi.org/10.1093/tas/txac140.Metaphylactic antimicrobial effects on occurrences of antimicrobial resistance in Salmonella enterica, Escherichia coli, and Enterococcus spp. measured longitudinally from feedlot arrival to harvest in high-risk beef cattle
                                                        

- (Peer Reviewed Journal)Long, N.S., Wells, J.E., Berry, E.D., Legako, J.F., Woerner, D.R., Loneragan, G.H., Broadway, P.R., Carroll, J.A., Sanchez, N.C.B., Fernando, S.C., Bacon, C.M., Helmuth, C.L., Smock, T.M., Manahan, J.L., Hoffman, A.A., Hales, K.E. 2022. Metaphylactic antimicrobial effects on occurrences of antimicrobial resistance in Salmonella enterica, Escherichia coli, and Enterococcus spp. measured longitudinally from feedlot arrival to harvest in high-risk beef cattle. Journal of Applied Microbiology. Article 15691. https://doi.org/10.1111/jam.15691.Influence of cow’s perinatal diet on calf microbiota

- (Abstract Only)Effects of a moderate or aggressive implant strategy on the rumen microbiome and metabolome in steers
                                                        

- (Peer Reviewed Journal)Henniger, M.T., Wells, J.E., Hales, K.E., Lindholm-Perry, A.K., Freetly, H.C., Kuehn, L.A., Schneider, L.G., McLean, K.J., Campagna, S.R., Christopher, C.J., Myer, P.R. 2022. Effects of a moderate or aggressive implant strategy on the rumen microbiome and metabolome in steers. Frontiers in Animal Science.  3. Article 889817. https://doi.org/10.3389/fanim.2022.889817.Rates of evolutionary change of resident Escherichia coli O157:H7 differ within the same ecological niche
                                                        

- (Peer Reviewed Journal)Weinroth, M.D., Clawson, M.L., Arthur, T.M., Wells, J., Harhay, D.M., Strachan, N., Bono, J.L. 2022. Rates of evolutionary change of resident Escherichia coli O157:H7 differ within the same ecological niche. BMC Genomics. 23. Article 275. https://doi.org/10.1186/s12864-022-08497-6.The effects of administering different metaphylactic antimicrobials on growth performance and health outcomes of high-risk, newly received feedlot steers

- (Abstract Only)Coppin, C.M., Smock, T.M., Helmuth, C.L., Manahan, J.L., Long, N.S., Hoffman, A.A., Carroll, J.A., Broadway, P.R., Sanchez, N.C., Wells, J., Fernando, S.C., Hales, K.E. 2022. The effects of administering different metaphylactic antimicrobials on growth performance and health outcomes of high-risk, newly received feedlot steers. Proceedings of the Plains Nutrition Council Spring Conference. p. 194.Dam parity structure and body condition during lactation influence piglet growth and gilt sexual maturation through pre-finishing
                                                        

- (Peer Reviewed Journal)Rempel, L.A., Keel, B.N., Oliver, W.T., Wells, J.E., Lents, C.A., Nonneman, D.J., Rohrer, G.A. 2022. Dam parity structure and body condition during lactation influence piglet growth and gilt sexual maturation through pre-finishing. Journal of Animal Science. 100(4):1-9. Article skac031. https://doi.org/10.1093/jas/skac031.Management-intensive grazing impacts on total Escherichia coli, E. coli O157:H7, and antibiotic resistance genes in a riparian stream
                                                        

- (Peer Reviewed Journal)Rubeck, L.M., Wells, J.E., Hanford, K.J., Durso, L.M., Schacht, W.H., Berry, E.D. 2022. Management-intensive grazing impacts on total Escherichia coli, E. coli O157:H7, and antibiotic resistance genes in a riparian stream. Science of the Total Environment. 817. Article 152611. https://doi.org/10.1016/j.scitotenv.2021.152611.Considerations and best practices in animal science 16S ribosomal RNA gene sequencing microbiome studies
                                                        

- (Review Article)Weinroth, M.D., Belk, A.D., Dean, C.J., Noyes, N.R., Dittoe, D.K., Rothrock Jr, M.J., Ricke, S.C., Myer, P.R., Henniger, M.T., Ramirez, G.A., Oakley, B.B., Summers, K.L., Miles, A.M., Ault-Seay, T.B., Yu, Z., Metcalf, J., Wells, J. 2022. Considerations and best practices in animal science 16S ribosomal RNA gene sequencing microbiome studies. Journal of Animal Science. 100:1018. https://doi.org/10.1093/jas/skab346.Hematology parameters as potential indicators of feed efficiency in pigs
                                                        

- (Peer Reviewed Journal)Lindholm-Perry, A.K., Kuehn, L.A., Wells, J., Rempel, L.A., Chitko-McKown, C.G., Keel, B.N., Oliver, W.T. 2021. Hematology parameters as potential indicators of feed efficiency in pigs. Translational Animal Science. 5(4). Article txab219. https://doi.org/10.1093/tas/txab219.Characterization and comparative analysis of transcriptional profiles of porcine colostrum and mature milk at different parities
                                                        

- (Peer Reviewed Journal)Keel, B.N., Lindholm-Perry, A.K., Oliver, W.T., Wells, J.E., Jones, S.A., Rempel, L.A. 2021. Characterization and comparative analysis of transcriptional profiles of porcine colostrum and mature milk at different parities. BMC Genomic Data. 22. Article 25. https://doi.org/10.1186/s12863-021-00980-5.Epimural microbiota and rumen epithelial gene expression in healthy and liver-abscessed  animals
                                                        

- (Abstract Only)Abbas, W., Lindholm-Perry, A.K., Keel, B.N., Wells, J., Hales, K., Knoell, A., Paz, H.A., Fernando, S. 2020. Epimural microbiota and rumen epithelial gene expression in healthy and liver-abscessed  animals [abstract]. Journal of Animal Science. 98(Supplement 3):135. https://doi.org/10.1093/jas/skaa054.234.Rumen epithelial transcriptome and microbiome profiles of rumen epithelium and contents of beef cattle with and without liver abscesses
                                                        

- (Peer Reviewed Journal)Abbas, W., Keel, B.N., Kachman, S.D., Fernando, S.C., Wells, J.E., Hales, K.E., Lindholm-Perry, A.K. 2020. Rumen epithelial transcriptome and microbiome profiles of rumen epithelium and contents of beef cattle with and without liver abscesses. Journal of Animal Science. 98(12):1-13. https://doi.org/10.1093/jas/skaa359.The effects of feeding ferric citrate on ruminal bacteria, methanogenic archaea, and methane production in growing beef steers
                                                        

- (Peer Reviewed Journal)Clemmons, B.A., Schneider, L.G., Melchior, E.A., Lindholm-Perry, A.K., Hales, K.E., Wells, J., Freetly, H.C., Hansen, S.L., Drewnowski, M.E., Hartman, S.J., Myer, P.R. 2021. The effects of feeding ferric citrate on ruminal bacteria, methanogenic archaea, and methane production in growing beef steers. Access Microbiology. 3(1). Article 000180. https://doi.org/10.1099/acmi.0.000180.Effects of Bacillus subtilis PB6 and/or chromium propionate supplementation on serum chemistry, complete blood count, and fecal Salmonella spp. count in high-risk cattle during the feedlot receiving and finishing periods
                                                        

- (Peer Reviewed Journal)Smock, T.M., Samuelson, K.L., Wells, J.E., Hales, K.E., Hergenreder, J.E., Rounds, P.W., Richeson, J.T. 2020. Effects of Bacillus subtilis PB6 and/or chromium propionate supplementation on serum chemistry, complete blood count, and fecal Salmonella spp. count in high-risk cattle during the feedlot receiving and finishing periods. Translational Animal Science. 4(3):1-11. https://doi.org/10.1093/tas/txaa164.Influence of host genetics in shaping the rumen bacterial community in beef cattle
                                                        

- (Peer Reviewed Journal)Abbas, W., Howard, J.T., Paz, H.A., Hales, K.E., Wells, J., Kuehn, L.A., Erickson, G.E., Spangler, M.L., Fernando, S.C. 2020. Influence of host genetics in shaping the rumen bacterial community in beef cattle. Scientific Reports. 10. Article 15101. https://doi.org/10.1038/s41598-020-72011-9.Effects of a moderate and aggressive implant strategy on the rumen microbial community in steers
                                                        

- (Abstract Only)Henniger, M.T., Wells, J.E., Hales, K.E., Lindholm-Perry, A.K., Freetly, H.C., Kuehn, L.A., Schneider, L.G., McLean, K.J., Clemmons, B.A., Myer, P.R. 2020. Effects of a moderate and aggressive implant strategy on the rumen microbial community in steers. Journal of Animal Science. 98(Supplement 4):269. https://doi.org/10.1093/jas/skaa278.484.Abundance of rumen methanogens did not differ in cattle that differed in residual feed intake
                                                        

- (Abstract Only)Freetly, H.C., Lindholm-Perry, A.K., Foote, A.P., Bennett, S., Wells, J. 2020. Abundance of rumen methanogens did not differ in cattle that differed in residual feed intake [abstract]. Journal of Animal Science. 98(Supplement 4):150. https://doi.org/10.1093/jas/skaa278.274.Changes in a closed feedlot Escherchia coli O157:H7 population over 22 years

- (Abstract Only)Weinroth, M., Clawson, M., Arthur, T., Wells, J., Harhay, D., Bono, J. 2020. Changes in a closed feedlot Escherchia coli O157:H7 population over 22 years. [Abstract]. International Association for Food Protection Conference, Cleveland, Ohio, August 2-5 2020. Virtual. Journal of Food Protection. 83(Supplement A):P2-198.Determination of gastrointestinal tract colonization sites from feedlot cattle transiently shedding or super-shedding Escherichia coli O157:H7 at harvest
                                                        

- (Peer Reviewed Journal)Wells, J., Berry, E.D., Kim, M., Bono, J.L., Oliver, W.T., Kalchayanand, N., Wang, R., Freetly, H.C., Means, W.J. 2020. Determination of gastrointestinal tract colonization sites from feedlot cattle transiently shedding or super-shedding Escherichia coli O157:H7 at harvest. Journal of Applied Microbiology. 129:1419-1426. https://doi.org/10.1111/jam.14684.Digestive tract microbiota of beef cattle that differed in feed efficiency
                                                        

- (Peer Reviewed Journal)Freetly, H.C., Dickey, A., Lindholm-Perry, A.K., Thallman, R.M., Keele, J.W., Foote, A.P., Wells, J.E. 2020. Digestive tract microbiota of beef cattle that differed in feed efficiency. Journal of Animal Science. 98(2):1-16. https://doi.org/10.1093/jas/skaa008.Sow parity structure and body condition measurements throughout lactation and relationship to piglet growth
                                                        

- (Abstract Only)Cervantes, M.A., Garcia, M., Keel, B.N., Oliver, W.T., Wells, J., Rempel, L.A. 2019. Sow parity structure and body condition measurements throughout lactation and relationship to piglet growth [abstract]. Journal of Animal Science. 97 (Supplement 2):250. Abstract PSI-16. https://doi.org/10.1093/jas/skz122.441.Genome centric approaches to understand antimicrobial resistance in the rumen microbiome
                                                        

- (Abstract Only)Tom, W.A., Hales, K.E., Wells, J., Fernando, S.C. 2020. Genome centric approaches to understand antimicrobial resistance in the rumen microbiome. Journal of Animal Science. 98(Supplement 3):160-161. https://doi.org/10.1093/jas/skaa054.283.Rumen epithelial transcriptome and microbiome profiles of beef cattle with liver abscesses

- (Abstract Only)Lindholm-Perry, A.K., Abbas, W., Keel, B.N., Fernando, S., Wells, J., Hales, K.E. 2020. Rumen epithelial transcriptome and microbiome profiles of beef cattle with liver abscesses [abstract]. International Plant & Animal Genome XXVIII Conference, January 11-15, 2020, San Diego, California. Poster Number PO0325. Available at: https://plan.core-apps.com/pag_2020/abstract/720aec4f687fb81a6ae44784bf04eela.Rumen epithelial transcriptome profile of beef cattle with liver abscesses

- (Abstract Only)Dam body condition during lactation influences piglet growth and maturation pre-finishing
                                                        

- (Abstract Only)Rempel, L.A., Keel, B.N., Oliver, W.T., Wells, J., Lents, C.A., Rohrer, G.A. 2019. Dam body condition during lactation influences piglet growth and maturation pre-finishing [abstract]. Journal of Animal Science. 97(Supplement 3):139-140. https://doi.org/10.1093/jas/skz258.285.Occurrence of Escherichia coli O157:H7 in pest flies captured in leafy greens plots grown near a beef cattle feedlot
                                                        

- (Peer Reviewed Journal)Berry, E.D., Wells, J.E., Durso, L.M., Friesen, K.M., Bono, J.L., Suslow, T.V. 2019. Occurrence of Escherichia coli O157:H7 in pest flies captured in leafy greens plots grown near a beef cattle feedlot. Journal of Food Protection. 82(8):1300-1307. https://doi.org/10.4315/0362-028X.JFP-18-601.Digestive tract microbiota of beef cattle that differed in feed efficiency

- (Abstract Only)Freetly, H.C., Wells, J., Dickey, A., Lindholm-Perry, A., Keele, J., Foote, A. 2019. Digestive tract microbiota of beef cattle that differed in feed efficiency [abstract]. 2019 Congress on Gastrointestinal Function, April 15-17, 2019, Chicago, IL. p. 41-42.Host genetics help shape the rumen microbiome in beef cattle
                                                        

- (Abstract Only)Abbas, W., Howard, J.T., Paz, H.A., Hales, K.E., Wells, J., Kuehn, L.A., Spangler, M.L., Erickson, G.E., Fernando, S.C. 2019. Host genetics help shape the rumen microbiome in beef cattle. Journal of Animal Science. 97(Supplement 2):51. https://doi.org/10.1093/jas/skz122.093.Succession of ruminal bacterial species and fermentation characteristics in preweaned Brangus calves
                                                        

- (Proceedings)Smith, K.E., Garza, A.L., Butterfield, K.M., Dickey, A.M., Lindholm-Perry, A.K., Wells, J. E., Freetly, H.C., Lodge-Ivey, S.L. 2018. Succession of ruminal bacterial species and fermentation characteristics in preweaned Brangus calves. Translational Animal Science. 2(Supplement 1):S48-S52. https://doi.org/10.1093/tas/txy043.The effects of feeding monensin on rumen microbial communities and methanogenesis in bred heifers fed in a drylot
                                                        

- (Peer Reviewed Journal)Melchior, E.A., Hales, K.E., Lindholm-Perry, A.K., Freetly, H.C., Wells, J.E, Hemphill, C.A., Wickersham, T.A., Sawyer, J.E., Myer, P.R. 2018. The effects of feeding monensin on rumen microbial communities and methanogenesis in bred heifers fed in a drylot. Livestock Science. 212:131-136. https://doi.org/10.1016/j.livsci.2018.03.019.Rumen bacterial community structure impacts feed efficiency in beef cattle
                                                        

- (Peer Reviewed Journal)Paz, H.A., Hales Paxton, K.E., Wells, J., Kuehn, L.A., Freetly, H.C., Berry, E.D., Flythe, M.D., Spangler, M.L., Fernando, S. 2018. Rumen bacterial community structure impacts feed efficiency in beef cattle. Journal of Animal Science. 96(3):1045-1058. https://doi.org/10.1093/jas/skx081.The effects of Lactobacillus Acidophilus fermentation products as an alternative to antibiotics

- (Abstract Only)Knapp, J.P., Wells, J.E., Maxwell, C.V., Tsai, T., Durso, L.M., Oliver, W.T. 2018. The effects of Lactobacillus Acidophilus fermentation products as an alternative to antibiotics [abstract]. Journal of Animal Science. 96(Supplement 2):154-155.The impact of the bovine faecal microbiome on Escherichia coli O157:H7 prevalence and enumeration in naturally infected cattle
                                                        

- (Peer Reviewed Journal)Kim, M., Kuehn, L.A., Bono, J.L., Berry, E.D., Kalchayanand, N., Freetly, H.C., Benson, A.K., Wells, J. 2017. The impact of the bovine faecal microbiome on Escherichia coli O157:H7 prevalence and enumeration in naturally infected cattle. Journal of Applied Microbiology. 123:1027-1042. https://doi.org/10.1111/jam.13545.Evaluation of commercial ß-agonists, dietary protein, and shade on fecal shedding of Escherichia coli O157:H7 from feedlot cattle

- (Peer Reviewed Journal)Wells, J.E., Berry, E.D., Kim, M., Shackelford, S.D., Hales, K.E. 2017. Evaluation of commercial ß-agonists, dietary protein, and shade on fecal shedding of Escherichia coli O157:H7 from feedlot cattle. Foodborne Pathogens and Disease. 14(11):649-655. https://doi.org/10.1089/fpd.2017.2313.Effect of calcium hydroxide application to feedlot pen surface material on ammonia, odor, and greenhouse gas emissions

- (Proceedings)Spiehs, M.J., Woodbury, B.L., Berry, E.D., Wells, J. 2017. Effect of calcium hydroxide application to feedlot pen surface material on ammonia, odor, and greenhouse gas emissions. In:  Proceedings of the American Society of Agricultural and Biological Engineers Annual International Meeting (ASABE), July 16-19, 2017, Spokane, Washington. ASABE Paper No. 1700385. doi:10.13031/aim.201700385.Odorous volatile organic compounds, Escherichia coli, and nutrient concentrations when kiln-dried pine chips and corn stover bedding are used in beef bedded manure packs
                                                        

- (Peer Reviewed Journal)Spiehs, M.J., Berry, E.D., Wells, J., Parker, D.B., Brown-Brandl, T.M. 2017. Odorous volatile organic compounds, Escherichia coli, and nutrient concentrations when kiln-dried pine chips and corn stover bedding are used in beef bedded manure packs. Journal of Environmental Quality. 46(4):722-732. https://doi.org/10.2134/jeq2016.09.0333.The effects of monensin in diets fed to finishing beef steers and heifers on growth performance and fecal shedding of Escherichia coli O157:H7
                                                        

- (Peer Reviewed Journal)Hales, K.E., Wells, J., Berry, E.D., Kalchayanand, N., Bono, J.L., Kim, M.S. 2017. The effects of monensin in diets fed to finishing beef steers and heifers on growth performance and fecal shedding of Escherichia coli O157:H7. Journal of Animal Science. 95(8):3738-3744. https://doi.org/10.2527/jas2017.1528.Persistence of Escherichia coli O157:H7 and total Escherichia coli in feces and feedlot surface manure from cattle fed diets with or without corn or sorghum wet distillers grains with solubles
                                                        

- (Peer Reviewed Journal)Berry, E.D., Wells, J.E., Varel, V.H., Hales, K.E., Kalchayanand, N. 2017. Persistence of Escherichia coli O157:H7 and total Escherichia coli in feces and feedlot surface manure from cattle fed diets with or without corn or sorghum wet distillers grains with solubles. Journal of Food Protection. 80(8):1317-1327. https://doi.org/10.4315/0362-028X.JFP-17-018.Determination of succession of rumen bacterial species in nursing beef calves

- (Abstract Only)Smith, K.E., Garza, A.L., Butterfield, K.M., Dickey, A.M., Lindholm-Perry, A.K., Wells, J., Freetly, H.C., Lodge-Ivey, S.L. 2017. Determination of succession of rumen bacterial species in nursing beef calves [abstract]. 2017 Congress on Gastrointestinal Function, April 10-12, 2017, Chicago, IL. p. 40-41.Analysis of the gut bacterial communities in beef cattle and their association with feed intake, growth, and efficiency
                                                        

- (Review Article)Myer, P.R., Freetly, H.C., Wells, J.E., Smith, T.P., Kuehn, L.A. 2017. Analysis of the gut bacterial communities in beef cattle and their association with feed intake, growth, and efficiency. Journal of Animal Science. 95(7):3215-3224. doi: 10.2527/jas2016.1059.Pathogens affecting beef
                                                        

- (Book / Chapter)Wells, J., Berry, E.D. 2017. Pathogens affecting beef.  In: Acuff, G.R., Dickson, J.S., editors. Ensuring safety and quality in the production of beef Volume 1, Cambridge, UK, Burleigh Dodds Science Publishing. p. 1-16.Analysis of the gut microbiome in beef cattle and its association with feed intake, growth, and efficiency

- (Abstract Only)Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2016. Analysis of the gut microbiome in beef cattle and its association with feed intake, growth, and efficiency [abstract]. Journal of Animal Science. 94 (E-Supplement 5):211-212.Effect of calcium hydroxide application to cattle feedlot pens on Escherichia coli O157:H7 and total E. coli in pen surface manure

- (Abstract Only)Berry, E.D., Wells, J., Arthur, T.M., Schmidt, J.W., Spiehs, M.J., Woodbury, B.L. 2016. Effect of calcium hydroxide application to cattle feedlot pens on Escherichia coli O157:H7 and total E. coli in pen surface manure [Abstract]. Journal of Food Protection. Supp. A(79):P2-122.Effects of dietary protein concentration and ractopamine hydrochloride on performance and carcass characteristics of finishing beef steers
                                                        

- (Peer Reviewed Journal)Hales, K.E., Shackelford, S.D., Wells, J., King, D.A., Pyatt, N.A., Freetly, H.C., Wheeler, T.L. 2016. Effects of dietary protein concentration and ractopamine hydrochloride on performance and carcass characteristics of finishing beef steers. Journal of Animal Science. 94(5):2097-2102. doi:10.2527/jas2015-0225Differential gene expression in the duodenum, jejunum and ileum among crossbred beef steers with divergent gain and feed intake phenotypes
                                                        

- (Peer Reviewed Journal)Lindholm-Perry, A.K., Butler, A.R., Kern, R.J., Hill, R., Kuehn, L.A., Wells, J., Oliver, W.T., Hales, K.E., Foote, A.P., Freetly, H.C. 2016. Differential gene expression in the duodenum, jejunum and ileum among crossbred beef steers with divergent gain and feed intake phenotypes. Animal Genetics. 47(4):408-427. doi: 10.1111/age.12440.Distillers by-product cattle diets enhance reduced sulfur gas fluxes from feedlot soils and manures
                                                        

- (Peer Reviewed Journal)Miller, D.N., Spiehs, M.J., Varel, V.H., Woodbury, B.L., Wells, J., Berry, E.D. 2016. Distillers by-product cattle diets enhance reduced sulfur gas fluxes from feedlot soils and manures. Journal of Environmental Quality. 45:1161-1168.Lysozyme as an alternative to antibiotics in swine feed

- (Abstract Only)Oliver, W.T., Wells, J. 2016. Lysozyme as an alternative to antibiotics in swine feed [abstract]. Journal of Animal Science. 94(Supplement 2):138.Gut bacterial communities and their association with production parameters in beef cattle

- (Abstract Only)Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2016. Gut bacterial communities and their association with production parameters in beef cattle [abstract]. Journal of Animal Science. 94(Supplement 2):179.Ammonia, total reduced sulfides, and greenhouse gases of pine chip and corn stover bedding packs

- (Peer Reviewed Journal)Spiehs, M.J., Brown-Brandl, T.M., Parker, D.B., Miller, D.N., Berry, E.D., Wells, J.E. 2016. Ammonia, total reduced sulfides, and greenhouse gases of pine chip and corn stover bedding packs. Journal of Environmental Quality. 45:630-637.Microbial community profiles of the jejunum from steers differing in feed efficiency
                                                        

- (Peer Reviewed Journal)Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2016. Microbial community profiles of the jejunum from steers differing in feed efficiency. Journal of Animal Science. 94(1):327-338. doi: 10.2527/jas2015-9839.Relationship of glucocorticoids and hematological measures with feed intake, growth, and efficiency of finishing beef cattle
                                                        

- (Peer Reviewed Journal)Foote, A.P., Hales, K.E., Tait Jr, R.G., Berry, E.D., Lents, C.A., Wells, J. E., Lindholm-Perry, A.K., Freetly, H.C. 2016. Relationship of glucocorticoids and hematological measures with feed intake, growth, and efficiency of finishing beef cattle. Journal of Animal Science. 94(1):275-283. doi: 10.2527/jas2015-9407A meta-analysis of bacterial diversity in the feces of cattle
                                                        

- (Peer Reviewed Journal)Wells, J., Kim, M. 2016. A meta-analysis of bacterial diversity in the feces of cattle. Current Microbiology. 72:145-15. doi:10.1007/s00284-015-0931-6.Replacement for antibiotics: Lysozyme

- (Proceedings)Oliver, W.T., Wells, J. 2015. Replacement for antibiotics: Lysozyme. Proceedings of the Western Nutrition Conference, September 28-29, 2015, Winnipeg, Manitoba, Canada. p. 63-72.Reducing foodborne pathogen persistence and transmission in animal production environments: Challenges and Opportunities

- (Peer Reviewed Journal)Berry, E.D., Wells, J. 2016. Reducing foodborne pathogen persistence and transmission in animal production environments: Challenges and Opportunities. Microbiology Spectrum. 4(4):1-18. doi:10.1128/microbiolspec.PFS-0006-2014.Cecum microbial communities from steers differing in feed efficiency
                                                        

- (Peer Reviewed Journal)Myer, P.R., Wells, J.E., Smith, T.P.L., Kuehn, L.A., Freetly, H.C. 2015. Cecum microbial communities from steers differing in feed efficiency. Journal of Animal Science. 93(11):5327-5340.  doi: 10.2527/jas2015-9415Dissemination of Escherichia coli O157:H7 from a cattle feedlot: effect of proximity on contamination of leafy greens, bioaerosols, and pest flies

- (Abstract Only)Berry, E.D., Wells, J., Durso, L.M., Bono, J.L., Friesen, K.M., Suslow, T.V., Millner, P.D. 2015. Dissemination of Escherichia coli O157:H7 from a cattle feedlot: effect of proximity on contamination of leafy greens, bioaerosols, and pest flies.[abstract] ASA-CSSA-SSSA Annual Meeting Abstracts. 195-6. Available: https://scisoc.confex.com/crops/2015am/webprogram/Paper91330.htmlMicrobial community profiles of the colon from steers differing in feed efficiency
                                                        

- (Peer Reviewed Journal)Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2015. Microbial community profiles of the colon from steers differing in feed efficiency. SpringerPlus. 4:454.Lysozyme as an alternative to growth promoting antibiotics in swine production
                                                        

- (Review Article)Oliver, W.T., Wells, J. 2015. Lysozyme as an alternative to growth promoting antibiotics in swine production. Journal of Animal Science and Biotechnology. 6:35.Rumen microbiome from steers differing in feed efficiency
                                                        

- (Peer Reviewed Journal)Myer, P.R., Smith, T.P., Wells, J., Kuehn, L.A., Freetly, H.C. 2015. Rumen microbiome from steers differing in feed efficiency. PLoS One. 10(6):e0129174.Effect of lysozyme or antibiotics on fecal zoonotic pathogens in nursery pigs
                                                        

- (Peer Reviewed Journal)Wells, J., Berry, E.D., Kalchayanand, N., Rempel, L.A., Kim, M., Oliver, W.T. 2015. Effect of lysozyme or antibiotics on fecal zoonotic pathogens in nursery pigs. Journal of Applied Microbiology. 118:1489-1497.The effect of bovine fecal microbiome on Escherichia coli O157:H7 prevalence

- (Abstract Only)Kim, M., Kuehn, L.A., Bono, J.L., Berry, E.D., Kalchayanand, N., Freetly, H.C., Benson, A.K., Wells, J. 2015. The effect of bovine fecal microbiome on Escherichia coli O157:H7 prevalence [abstract]. 2015 Congress on Gastrointestinal Function, 2015 April 13-15, Chicago, IL. p. 34.Methane production and methanogen levels in steers that differ in residual gain
                                                        

- (Peer Reviewed Journal)Freetly, H.C., Lindholm-Perry, A.K., Hales, K.E., Brown-Brandl, T.M., Kim, M.S., Myer, P.R., Wells, J. 2015. Methane production and methanogen levels in steers that differ in residual gain. Journal of Animal Science. 93(5):2375-2381.Beef cattle metabiomes and their relationships with economically important phenotypes

- (Abstract Only)Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2015. Beef cattle metabiomes and their relationships with economically important phenotypes [abstract]. Journal of Animal Science. 93(Supplement 2):7.Characterizing the microbiome across the gastrointestinal tract from steers differing in feed efficiency

- (Abstract Only)Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2015. Characterizing the microbiome across the gastrointestinal tract from steers differing in feed efficiency. Plant and Animal Genome XXIII Conference, January 10-14, 2015, San Diego, California. Abstract No. W288.Effect of proximity to a cattle feedlot on Escherichia coli O157:H7 contamination of leafy greens and evaluation of the potential for airborne transmission
                                                        

- (Peer Reviewed Journal)Berry, E.D., Wells, J., Bono, J.L., Woodbury, B.L., Kalchayanand, N., Norman, K.N., Suslow, T.V., Lopez-Velasco, G., Millner, P.D. 2015. Effect of proximity to a cattle feedlot on Escherichia coli O157:H7 contamination of leafy greens and evaluation of the potential for airborne transmission. Applied and Environmental Microbiology. 81(3):1101-1110.Evaluation of essential oils in beef cattle manure slurries and applications of select compounds to beef feedlot surfaces to control zoonotic pathogens
                                                        

- (Peer Reviewed Journal)Wells, J., Berry, E.D., Guerini, M., Varel, V.H. 2015. Evaluation of essential oils in beef cattle manure slurries and applications of select compounds to beef feedlot surfaces to control zoonotic pathogens. Journal of Applied Microbiology. 118;295-304.Lysozyme as an alternative to antibiotics improves performance in nursery pigs during an indirect immune challenge

- (Peer Reviewed Journal)Oliver, W.T., Wells, J., Maxwell, C.W. 2014. Lysozyme as an alternative to antibiotics improves performance in nursery pigs during an indirect immune challenge. Journal of Animal Science. 92(11):4927-4934.Effects of feeding dry-rolled corn-based diets with and without wet distillers grains with solubles and zilpaterol hydrochloride on performance characteristics, and heat stress in finishing beef steers
                                                        

- (Peer Reviewed Journal)Hales, K.E., Shackelford, S.D., Wells, J., King, D.A., Hayes, M., Brown-Brandl, T.M., Kuehn, L.A., Freetly, H.C., Wheeler, T.L. 2014. Effects of feeding dry-rolled corn-based diets with and without wet distillers grains with solubles and zilpaterol hydrochloride on performance characteristics, and heat stress in finishing beef steers. Journal of Animal Science. 92(9):4023-4033.Fecal microbiome in the bovine animal

- (Proceedings)Wells, J., Kim, M.S., Kuehn, L.A., Bono, J.L. 2014. Fecal microbiome in the bovine animal. In: Proceedings of the Americian Meat Science Association.  Reciprocal Meat Conference, 6/15-6/18/2014, Madison Wisconsin. http://www.meatscience.org/.Persistence of Escherichia coli O157:H7 in feces from cattle fed diets with or without wet distillers grains with solubles

- (Abstract Only)Berry, E.D., Wells, J., Varel, V.H. 2014. Persistence of Escherichia coli O157:H7 in feces from cattle fed diets with or without wet distillers grains with solubles. Journal of Animal Science 92(E-Suppl.2):525.Effect of proximity to a cattle feedlot on Escherichia coli O157:H7 contamination of leafy greens and evaluation of the potential for bioaerosol and pest fly transmission

- (Abstract Only)Berry, E.D., Wells, J., Durso, L.M., Bono, J.L., Friesen, K.M., Woodbury, B.L., Kalchayanand, N., Norman, K.N., Suslow, T.V., Lopez-Velasco, G., Millner, P.D. 2014. Effect of proximity to a cattle feedlot on Escherichia coli O157:H7 contamination of leafy greens and evaluation of the potential for bioaerosol and pest fly transmission. [Abstract]. Western Food Safety Summit, May 8-9, 2014, Salinas, CA. poster session.Effect of lysozyme or antibiotics on fecal zoonotic pathogens in nursery pigs

- (Abstract Only)Wells, J., Berry, E.D., Kalchayanand, N., Rempel, L.A., Oliver, W.T. 2014. Effect of lysozyme or antibiotics on fecal zoonotic pathogens in nursery pigs. Journal of Animal Science 92(E-Suppl.2):529.Lysozyme as an alternative to antibiotics improves growth performance and tumor necrosis factor-a levels during an indirect immune challenge

- (Abstract Only)Oliver, W.T., Wells, J., Maxwell, C.V. 2014. Lysozyme as an alternative to antibiotics improves growth performance and tumor necrosis factor-a levels during an indirect immune challenge [abstract]. Journal of Animal Science 92(Supplement 2):50.Escherichia coli O157:H7, diet, and fecal microbiome in beef cattle

- (Proceedings)Wells, J., Kim, M.S., Bono, J.L., Kuehn, L.A., Benson, A.K. 2014.  Escherichia coli O157:H7, diet, and fecal microbiome in beef cattle. In: Proceedings of American Society of Animal Science, Meat Science and Muscle Biology Symposium. Journal of Animal Science. 92:1345-1355.Investigation of bacterial diversity in the feces of cattle fed different diets
                                                        

- (Peer Reviewed Journal)Kim, M.S., Kim, J., Kuehn, L.A., Bono, J.L., Berry, E.D., Kalchayanand, N., Freetly, H.C., Benson, A.K., Wells, J. 2014. Investigation of bacterial diversity in the feces of cattle fed different diets. Journal of Animal Science. 92:683-694.Development and model testing of anti-mortem screening methodology to predict prescribed drug withholds in heifers

- (Peer Reviewed Journal)Jones, S., Salter, R.S., Goldsmith, T., Quintana, J., Rapnicki, P., Shuck, K., Wells, J., Schneider, M.J., Griffin, D. 2014. Development and model testing of anti-mortem screening methodology to predict prescribed drug withholds in heifers. Journal of Food Protection. 77(2):292-298.Use of wood-based materials in beef bedded manure packs: 2. Effect on odorous volatile organic compounds, odor activity value, Escherichia coli, and nutrient concentrations

- (Peer Reviewed Journal)Spiehs, M.J., Brown-Brandl, T.M., Berry, E.D., Wells, J.E., Parker, D.B., Miller, D.N., Jaderborg, J.P., DiCostanzo, A.  2014. Use of wood-based materials in beef bedded manure packs: 2. Effect on odorous volatile organic compounds, odor activity value, Escherichia coli, and nutrient concentrations. Journal of Environmental Quality. Special Section. Livestock GraceNet. 43:1195-1206. DOI: 10.2134/JEQ2013.05.0165.Use of wood-based materials in beef bedded manure packs: 1. Effect on ammonia, total reduced sulfide, and greenhouse gas concentrations

- (Peer Reviewed Journal)Spiehs, M.J., Brown-Brandl, T.M., Parker, D.B., Miller, D.N., Jaderborg, J.P., DiCostanzo, A., Berry, E.D., Wells, J.E. 2014. Use of wood-based materials in beef bedded manure packs: 1. Effect on ammonia, total reduced sulfide, and greenhouse gas concentrations. Journal of Environmental Quality. Special Section. Livestock GraceNet. 43:1187-1194. DOI: 10.2134/JEQ2013.05.0164.Diet, fecal microbiome and Escherichia coli O157:H7 shedding in beef Cattle

- (Abstract Only)Wells, J., Kim, M.S., Bono, J.L., Kuehn, L.A., Benson, A.K. 2013. Diet, fecal microbiome and Escherichia coli O157:H7 shedding in beef cattle.[abstract] Journal of Animal Science Supplement. 96(E-Supplement 2):631. Abstract 577.Investigation of microbial diversity in the feces of cattle fed different diets

- (Abstract Only)Kim, M.S., Kim, J., Kuehn, L.A., Bono, J.L., Berry, E.D., Kalchayanand, N., Freetly, H.C., Benson, A.K., Wells, J. 2013. Investigation of microbial diversity in the feces of cattle fed different diets.[abstract] Journal of Animal Science Supplement. 91 (E-Supplement 2): 235.Influence of dry matter intake, dry matter digestibility, and feeding behavior on body weight gain of beef steers
                                                        

- (Peer Reviewed Journal)Davis, M.P., Freetly, H.C., Kuehn, L.A., Wells, J. 2014. Influence of dry matter intake, dry matter digestibility, and feeding behavior on body weight gain of beef steers. Journal of Animal Science. 92(7):3018-3025.Diversity of microbiomes in beef cattle

- (Book / Chapter)Durso, L.M., Wells, J., Kim, M.S. 2013. Diversity of microbiomes in beef cattle. In: Nelson, K., editor. Encyclopedia of Metagenomics. Springer Reference (www.springerreference.com). Berlin/Heidelberg, Germany: Springer-Verlag. Available: http://www.springerreference.com/docs/html/chapterdbid/333718.html.Lysozyme as an alternative to antibiotics improves growth performance and small intestinal morphology in nursery pigs

- (Peer Reviewed Journal)Oliver, W.T., Wells, J. 2013. Lysozyme as an alternative to antibiotics improves growth performance and small intestinal morphology in nursery pigs. Journal of Animal Science. 91(7):3129-3136.Ruminal methanogens in steers that are negative or positive for residual gain

- (Abstract Only)Freetly, H., Wells, J., Kim, M., Hales, K., Lindholm-Perry, A. 2013. Ruminal methanogens in steers that are negative or positive for residual gain [abstract]. Journal of Animal Science. 91(E-Supplement 2):437.Effect of proximity to a cattle feedlot on the occurrence of Escherichia coli 0157:H7-positive pest flies in a leafy green crop

- (Abstract Only)Berry, E.D., Wells, J., Durso, L.M., Bono, J.L., Friesen, K.M., Woodbury, B.L., Suslow, T.V., Lopez-Velasco, G., Millner, P.D. 2013. Effect of proximity to a cattle feedlot on the occurrence of Escherichia coli 0157:H7-positive pest flies in a leafy green crop. International Association for Food Protection Proceedings. [abstract]P3-132 Page No 65.Fate of naturally occurring Escherichia coli O157:H7 and other zoonotic pathogens during minimally managed bovine feedlot manure composting processes

- (Peer Reviewed Journal)Berry, E.D., Millner, P.D., Wells, J., Kalchayanand, N., Guerini, M.N. 2013. Fate of naturally occurring Escherichia coli O157:H7 and other zoonotic pathogens during minimally managed bovine feedlot manure composting processes. Journal of Food Protection. 76(8):1308-1321.Effects of antimicrobials fed as dietary growth promoters on faecal shedding of Campylobacter, Salmonella and shiga-toxin producing Escherichia coli in swine

- (Peer Reviewed Journal)Wells, J., Kalchayanand, N., Berry, E.D., Oliver, W.T. 2013. Effects of antimicrobials fed as dietary growth promoters on faecal shedding of Campylobacter, Salmonella and shiga-toxin producing Escherichia coli in swine. Journal of Applied Microbiology. 114(2):318-328.Effect of bedding materials on concentration of odorous compounds and Escherichia coli in beef cattle bedded manure packs

- (Peer Reviewed Journal)Spiehs, M.J., Brown Brandl, T.M., Parker, D.B., Miller, D.N., Berry, E.D., Wells, J.E. 2013. Effect of bedding materials on concentration of odorous compounds and Escherichia coli in beef cattle bedded manure packs. Journal of Environmental Quality. 42(1):65-75.Isolation and characterization of Clostridium difficile associated with beef cattle and commercially produced ground beef

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Harhay, D.M., Shackelford, S.D., Wells, J., Wheeler, T.L., Koohmaraie, M. 2013. Isolation and characterization of Clostridium difficile associated with beef cattle and commercially produced ground beef. Journal of Food Protection. 76(2):256-264.Chromogenic agar medium for detection and isolation of Escherichia coli serogroups O26,O45,O103,O111,O121, and O145 from fresh beef and cattle feces

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Wells, J., Wheeler, T.L. 2013. Chromogenic agar medium for detection and isolation of Escherichia coli serogroups O26,O45,O103,O111,O121, and O145 from fresh beef and cattle feces. Journal of Food Protection. 76(2):192-199.Results of anti-mortem screening methodology to predict prescribed drug withholding periods for flunixin and ceftiofur in heifers

- (Proceedings)Salter, R., Jones, S., Wells, J., Griffin, D., Shuck, K., Goldsmith, T., Rapnicki, P. 2012. Results of anti-mortem screening methodology to predict prescribed drug withholding periods for flunixin and ceftiofur in heifers. American Association of Bovine Practitioners Proceedings. September 20-22, 2012. Montreal, Canada. Research Summary No. 225.Comparison of bacterial communities in faeces of beef cattle fed diets containing corn and wet distillers grain with solubles

- (Peer Reviewed Journal)Durso, L.M., Wells, J., Harhay, G.P., Rice, W.C., Kuehn, L.A., Bono, J.L., Shackelford, S.D., Wheeler, T.L., Smith, T.P. 2012. Comparison of bacterial communities in faeces of beef cattle fed diets containing corn and wet distillers grain with solubles. Letters in Applied Microbiology. 55(2):109-14. DOI: 10.1111/J.1472-765X.2012.03265.X.Rumen and cecum methane emissions between steers that are either negative or positive for residual gain

- (Abstract Only)Freetly, H.C., Hales, K.E., Wells, J. 2012. Rumen and cecum methane emissions between steers that are either negative or positive for residual gain [abstract]. Journal of Animal Science. 90(Suppl. 3):478.Methane emissions by goats consuming Sericea lespedeza at different feeding frequencies

- (Peer Reviewed Journal)Puchala, R., Animut, G., Patra, A.K., Detweiler, G.D., Wells, J., Varel, V.H., Sahlu, T., Goetsch, A.L. 2012. Methane emissions by goats consuming Sericea lespedeza at different feeding frequencies. Animal Feed Science And Technology. 175:76-84.Development and model testing of anti-mortem screening methodology to predict prescribed drug withholds in heifers

- (Abstract Only)Salter, R., Jones, S., Goldsmith, T., Quintana, J., Rapnicki, P., Shuck, K., Wells, J., Griffin, D. 2012. Development and model testing of anti-mortem screening methodology to predict prescribed drug withholds in heifers. In: Proceedings of International Association for Food Protection, July 22-25, 2012, Providence, Rhode Island. Poster P3-13.Effects of different fresh-cut forages and their hays on feed intake, digestibility, heat production, and ruminal methane emission by Boer x Spanish goats

- (Peer Reviewed Journal)Puchala, R., Animut, G., Patra, A.K., Detweiler, G.D., Wells, J., Varel, V.H., Sahlu, T., Goetsch, A.L. 2012. Effects of different fresh-cut forages and their hays on feed intake, digestibility, heat production, and ruminal methane emission by Boer x Spanish goats. Journal of Animal Science. 90(8):2754-2762.Effect of anaerobic digestion temperature on odour, coliforms and chlortetracycline in swine manure or monensin in cattle manure

- (Peer Reviewed Journal)Varel, V.H., Wells, J., Shelver, W.L., Rice, C., Armstrong, D.L., Parker, D.B. 2012. Effect of anaerobic digestion temperature on odour, coliforms and chlortetracycline in swine manure or monensin in cattle manure. Journal of Applied Microbiology. 112:705-715.Granulated lysozyme as an alternative to antibiotics improves growth performance and small intestinal morphology of 10-day-old pigs

- (Peer Reviewed Journal)May, K.D., Wells, J., Maxwell, C.V., Oliver, W.T. 2012. Granulated lysozyme as an alternative to antibiotics improves growth performance and small intestinal morphology of 10-day-old pigs. Journal of Animal Science. 90(4):1118-1125.Soil solarization reduces Escherichia coli O157:H7 and total Escherichia coli on cattle feedlot pen surfaces

- (Peer Reviewed Journal)Berry, E.D., Wells, J. 2012. Soil solarization reduces Escherichia coli O157:H7 and total Escherichia coli on cattle feedlot pen surfaces. Journal of Food Protection. 75(1):7-13.Impact of reducing the level of wet distillers grains fed to cattle prior to harvest on prevalence and levels of Escherichia coli O157:H7 in feces and on hides

- (Peer Reviewed Journal)Wells, J., Shackelford, S.D., Berry, E.D., Kalchayanand, N., Bosilevac, J.M., Wheeler, T.L. 2011. Impact of reducing the level of wet distillers grains fed to cattle prior to harvest on prevalence and levels of Escherichia coli O157:H7 in feces and on hides. Journal of Food Protection. 74(10):1611-1617.Chapter 9:  Symbiosis of plants, animals, and microbes

- (Book / Chapter)Wells, J., Varel, V.H. 2011. Chapter 9:  Symbiosis of plants, animals, and microbes. In:  Pond, W. G., Bazer, F. W., Rollin, B. E. (ed). Animal Welfare in Animal Agriculture:  Husbandry, Stewardship and Sustainability. New York: CRC Press. p. 185-203.Reduction in dietary wet distillers grains alters Escherichia coli 0157:H7 in feces of cattle

- (Abstract Only)Wells, J., Shackelford, S.D., Berry, E.D., Kalchayanand, N., Bosilevac, J.M., Wheeler, T.L. 2011. Reduction in dietary wet distillers grains alters Escherichia coli 0157:H7 in feces of cattle. In: Proceedings of the 2011 Congress on Gastrointestinal Function, April 18-20, 2011, Chicago, Illinois.Soil solarization reduces Escherichia coli O157:H7 on cattle feedlot pen surfaces

- (Abstract Only)Berry, E.D., Wells, J. 2011. Soil solarization reduces Escherichia coli O157:H7 on cattle feedlot pen surfaces [abstract]. Journal of Food Protection. 74(Supplement A):80.Environmental conditions in beef deep-bedded monoslope facilities: a descriptive study

- (Peer Reviewed Journal)Spiehs, M.J., Woodbury, B.L., Doran, B.E., Eigenberg, R.A., Kohl, K.D., Varel, V.H., Berry, E.D., Wells, J. 2011. Environmental conditions in beef deep-bedded monoslope facilities: a descriptive study. Transactions of the ASABE. 54(2):663-673.Environmental conditions in beef deep-bedded mono-slope facilities

- (Popular Publication)Spiehs, M.J., Woodbury, B.L., Doran, B., Eigenberg, R.A., Kohl, K., Varel, V.H., Berry, E.D., Wells, J. 2010. Environmental conditions in beef deep-bedded mono-slope facilities. Iowa State University Animal Industry Report. Leaflet Number R2582.Granulated lysozyme as an alternative to antibiotics improves growth performance and small intestinal morphology of 10-day-old pigs

- (Abstract Only)May, K.D., Wells, J., Maxwell, C.V., Oliver, W.T. 2011. Granulated lysozyme as an alternative to antibiotics improves growth performance and small intestinal morphology of 10-day-old pigs [abstract]. Journal of Animal Science Supplement. 89(E-Supplement 2):71-72. Abstract # 83.Association of single nucleotide polymorphisms in the ANKRA2 and CD180 genes with bovine respiratory disease and presence of Mycobacterium avium subsp. paratuberculosis

- (Peer Reviewed Journal)Casas, E., Garcia, M.D., Wells, J., Smith, T.P.L. 2011. Association of single nucleotide polymorphisms in the ANKRA2 and CD180 genes with bovine respiratory disease and presence of Mycobacterium avium subsp. paratuberculosis. Animal Genetics. 42:571-577.Association of single nucleotide polymorphisms in the ANKRA2 and CD180 genes with bovine respiratory disease and presence of Mycobacterium avium subsp. paratuberculosis

- (Abstract Only)Casas, E., Garcia, M.D., Wells, J., Smith, T.P. 2011. Association of single nucleotide polymorphisms in the ANKRA2 and CD180 genes with bovine respiratory disease and presence of Mycobacterium avium subsp. paratuberculosis [abstract]. Plant and Animal Genome XIX Conference. Poster No. P193.Genomics of Disease in Beef Cattle

- (Proceedings)Casas, E., Kuehn, L.A., Snelling, W.M., Wells, J. 2010. Genomics of Disease in Beef Cattle.  Proceedings of the 9th World Congress on Genetics Applied to Livestock Production, Leipzig, Germany. August 1-6, 2010. CD-ROM Communication No. 0125.Comparison of cattle fecal communities from animals fed diets containing corn and distiller's grains

- (Abstract Only)Durso, L.M., Harhay, G.P., Wells, J., Bono, J.L., Riethoven, J.M., Shackelford, S.D., Wheeler, T.L., Smith, T.P. 2010. Comparison of cattle fecal communities from animals fed diets containing corn and distiller's grains. PS.25.018, Abstract #393A.  Abstract for Microbial Ecology International Symposium, Seattle, WA, Aug. 22-27, 2010.  Abstract Book, Pg. 128Escherichia coli O157:H7: Recent Advances in Research on Occurrence, Transmission, and Control in Cattle and the Production Environment

- (Book / Chapter)Berry, E.D., Wells, J. 2010.  Escherichia coli O157:H7: Recent Advances in Research on Occurrence, Transmission, and Control in Cattle and the Production Environment. In:  Taylor, Steve L.  Advances in Food and Nutrition Research.  Volume 60. Burlington: Elsevier. p. 67-118.Soil Versus Pond Ash Surfacing of Feedlot Pens: Occurrence of Escherichia coli O157:H7 in Cattle and Persistence in Manure

- (Peer Reviewed Journal)Berry, E.D., Wells, J., Arthur, T.M., Woodbury, B.L., Nienaber, J.A., Brown Brandl, T.M., Eigenberg, R.A. 2010. Soil Versus Pond Ash Surfacing of Feedlot Pens: Occurrence of Escherichia coli O157:H7 in Cattle and Persistence in Manure. Journal of Food Protection. 73(7):1269-1277.Effects of Dietary Antimicrobials on Fecal Shedding of Campylobacter, Salmonella, and Shiga-toxin Producing Escherichia coli in Production Swine

- (Abstract Only)Wells, J., Kalchayanand, N., Berry, E.D., Oliver, W.T. 2010. Effects of Dietary Antimicrobials on Fecal Shedding of Campylobacter, Salmonella, and Shiga-toxin Producing Escherichia coli in Production Swine [abstract]. Journal of Animal Science. 88 (E-Supplement 2):616.  (Abstract #W102).Odor Production and Escherichia coli Concentrations in Manure Slurries of Feedlot Steers Fed 0 or 40% Corn Wet Distillers Grains with Solubles

- (Abstract Only)Varel, V.H., Wells, J., Berry, E.D., Miller, D.N. 2010. Odor Production and Escherichia coli Concentrations in Manure Slurries of Feedlot Steers Fed 0 or 40% Corn Wet Distillers Grains with Solubles. In:  Proceedings of the 110th General Meeting of the American Society for Microbiology, May 23-27, 2010, San Diego, CA.  2010 CDROM.Manure odor potential and Escherichia coli concentrations in manure slurries of feedlot steers fed 40% corn wet distillers grains

- (Peer Reviewed Journal)Varel, V.H., Wells, J., Berry, E.D., Miller, D.N. 2010. Manure odor potential and Escherichia coli concentrations in manure slurries of feedlot steers fed 40% corn wet distillers grains. Journal of Environmental Quality. 39(4):1498-1506.Evaluation of a Direct-Fed Microbial Product Effect on the Prevalence and Load of Escherichia coli O157:H7 in Feedlot Cattle

- (Peer Reviewed Journal)Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Wells, J., Shackelford, S.D., Wheeler, T.L., Koohmarie, M. 2010. Evaluation of a Direct-Fed Microbial Product Effect on the Prevalence and Load of Escherichia coli O157:H7 in Feedlot Cattle. Journal of Food Protection. 73(2):366-371.Evaluation of the Fate of Naturally Occurring Escherichia coli O157:H7 During Bovine Manure Composting Processes

- (Abstract Only)Berry, E.D., Millner, P.D., Wells, J., Kalchayanand, N. 2009. Evaluation of the Fate of Naturally Occurring Escherichia coli O157:H7 During Bovine Manure Composting Processes. [abstract] In: Proceedings 2009 International Annual Meetings of Agronomy Society of America, Crop Science Society of America, Soil Science Society of America, 1-5 Nov 2009, Pittsburgh, PA. CDROM.The Effects of Dietary Additives on Faecal Levels of Lactobacillus spp., Coliforms, and Escherichia coli, and Faecal Prevalence of Salmonella spp. and Campylobacter spp. in U.S. Production Nursery Swine

- (Peer Reviewed Journal)Wells, J., Oliver, W.T., Yen, J. 2010. The Effects of Dietary Additives on Faecal Levels of Lactobacillus spp., Coliforms, and Escherichia coli, and Faecal Prevalence of Salmonella spp. and Campylobacter spp. in U.S. Production Nursery Swine. Journal of Applied Microbiology. 108:306-314.Methane Emission by Goats Consuming Condensed Tannin-containing Forage at Different Frequencies

- (Abstract Only)Puchala, R., Animut, G., Goetsch, A.L., Sahlu, T., Varel, V.H., Wells, J. 2009. Methane Emission by Goats Consuming Condensed Tannin-containing Forage at Different Frequencies [abstract]. Journal of Animal Science 87 (E-Supplement 2):483.Prevalence and Level of Escherichia coli O157:H7 in Feces and on Hides of Feedlot Steers Fed Diets With or Without Wet Distillers Grains with Solubles

- (Peer Reviewed Journal)Wells, J., Shackelford, S.D., Berry, E.D., Kalchayanand, N., Guerini, M.N., Varel, V.H., Arthur, T.M., Bosilevac, J.M., Freetly, H.C., Wheeler, T.L., Ferrell, C.L., Koohmaraie, M. 2009. Prevalence and Level of Escherichia coli O157:H7 in Feces and on Hides of Feedlot Steers Fed Diets With or Without Wet Distillers Grains with Solubles. Journal of Food Protection. 72(8):1624-1633.Prevalence of Mycobacterium avium subsp. paratuberculosis in Ileocecal Lymph Nodes and on Hides and Carcasses from Cull Cows and Fed Cattle at Commercial Beef Processing Plants in the United States

- (Peer Reviewed Journal)Wells, J., Bosilevac, J.M., Kalchayanand, N., Arthur, T.M., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2009. Prevalence of Mycobacterium avium subsp. paratuberculosis in Ileocecal Lymph Nodes and on Hides and Carcasses from Cull Cows and Fed Cattle at Commercial Beef Processing Plants in the United States. Journal of Food Protection 72(7):1457-1462.Prevalence and Level of Escherichia coli O157:H7 in Feces and On Hides of Feedlot Steers Fed Diets With or Without Wet Distillers Grains With Solubles

- (Abstract Only)Wells, J., Shackelford, S.D., Berry, E.D., Kalchayanand, N., Varel, V.H., Arthur, T.M., Bosilevac, J.M., Freetly, H.C., Wheeler, T.L., Ferrell, C.L., Koohmaraie, M. 2009.  Prevalence and Level of Escherichia coli O157:H7 in Feces and On Hides of Feedlot Steers Fed Diets With or Without Wet Distillers Grains With Solubles [abstract]. Microbial Ecology 57(3):583-584.Prevalence of Clostridium difficile from Commercial Beef Processing Plants in the United States

- (Abstract Only)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Harhay, D.M., Shackelford, S.D., Wells, J., Wheeler, T.L., Koohmaraie, M. 2009. Prevalence of Clostridium difficile from Commercial Beef Processing Plants in the United States [abstract]. Institute of Food Technologists (IFT), Division Food Microbiology, Session 026-15, p. 82.Escherichia coli O157:H7 and Salmonella in Small Processing Plants and the Effect of Feeding Wet Distillers Grains with Solubles on E. coli O157:H7

- (Abstract Only)Bosilevac, J.M., Wells, J., Arthur, T.M., Kalchayanand, N., Shackelford, S.D., Berry, E.D., Bono, J.L., Harhay, D.M., Wheeler, T.L., Koohmaraie, M. 2009. Escherichia coli O157:H7 and Salmonella in Small Processing Plants and the Effect of Feeding Wet Distillers Grains with Solubles on E. coli O157:H7 [abstract]. NCBA Beef Industry Safety Summit, San Diego, CA, March 4-6, 2009.Impacts of Individual Animal Response to Heat and Handling Stresses on Escherichia coli and E. coli O157:H7 Fecal Shedding by Feedlot Cattle

- (Peer Reviewed Journal)Brown Brandl, T.M., Berry, E.D., Wells, J., Arthur, T.M., Nienaber, J.A. 2009. Impacts of Individual Animal Response to Heat and Handling Stresses on Escherichia coli and E. coli O157:H7 Fecal Shedding by Feedlot Cattle. Foodborne Pathogens and Disease. 6(7):855-864.Odorant production and persistence of Escherichia coli in manure slurries from cattle fed zero, twenty, forty, or sixty percent wet distillers grains with solubles

- (Peer Reviewed Journal)Varel, V.H., Wells, J., Berry, E.D., Spiehs, M.J., Miller, D.N., Ferrell, C.L., Shackelford, S.D., Koohmaraie, M. 2008. Odorant production and persistence of Escherichia coli in manure slurries from cattle fed zero, twenty, forty, or sixty percent wet distillers grains with solubles. Journal of Animal Science 86:3617-3627.A direct plating method for estimating populations of Escherichia coli 0157 in bovine manure and manure-based materials

- (Peer Reviewed Journal)Berry, E.D., Wells, J. 2008. A direct plating method for estimating populations of Escherichia coli 0157 in bovine manure and manure-based materials. Journal of Food Protection 71(11):2233-2238.The impact of stress level on fecal bacteria and pathogen shedding in feedlot cattle.

- (Proceedings)Brown Brandl, T.M., Berry, E.D., Wells, J., Arthur, T.M., Nienaber, J.A. 2008. The impact of stress level on fecal bacteria and pathogen shedding in feedlot cattle. American Society of Agricultural and Biological Engineers. Paper No. 084178. St. Joseph, MI:ASABE.Ruminal Methane Emissions by Goats Consuming Dry Hay of Condensed Tannin-Containing Lespedeza With or Without Polyethylene Glycol, Alfalfa, or Sorghum-Sudangrass

- (Abstract Only)Puchala, R., Animut, G., Goetsch, A.L., Patra, A.K., Sahlu, T., Varel, V.H., Wells, J. 2008. Ruminal Methane Emissions by Goats Consuming Dry Hay of Condensed Tannin-Containing Lespedeza With or Without Polyethylene Glycol, Alfalfa, or Sorghum-Sudangrass [abstract]. In: Proceedings of 9th International Conference on Goats, Aug. 31 - Sept. 5, 2008, Queretaro, Mexico. Abstract 73, pp. 98-99.Prevalence and Characterization of Salmonella in Bovine Lymph Nodes Potentially Destined for Use in Ground Beef

- (Peer Reviewed Journal)Arthur, T.M., Harhay, D.M., Bosilevac, J.M., Guerini, M.N., Kalchayanand, N., Wells, J., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2008. Prevalence and characterization of Salmonella in bovine lymph nodes potentially destined for use in ground beef. Journal of Food Protection 71(8):1685-1688.Odorant production and persistence of generic E. coli in manure slurries from cattle fed 0, 20, 40, and 60% wet distillers grains with solubles (WDGS).

- (Abstract Only)Varel, V.H., Wells, J., Berry, E.D., Spiehs, M.J., Miller, D.N., Ferrell, C.L., Shackelford, S.D., Koohmaraie, M. 2008. Odorant production and persistence of generic E. coli in manure slurries from cattle fed 0, 20, 40, and 60% wet distillers grains with solubles (WDGS)[abstract].   Journal of Animal Science 86(E-Suppl. 2)/Journal of Dairy Science 91(E-Suppl. 1):325.Viability of zoonotic pathogens Escherichia coli and Salmonella in swine manure slurries with and without a urease inhibitor and thymol

- (Peer Reviewed Journal)Wells, J., Varel, V.H. 2008. Viability of zoonotic pathogens Escherichia coli and Salmonella in swine manure slurries with and without a urease inhibitor and thymol. Letters in Applied Microbiology 46:477-482.Methane emission by goats consuming diets with different levels of condensed tannins from lespedeza

- (Peer Reviewed Journal)Animut, G., Puchala, R., Goetsch, A.L., Patra, A.K., Sahlu, T., Varel, V.H., Wells, J. 2008. Methane emission by goats consuming diets with different levels of condensed tannins from lespedeza. Animal Feed Science and Technology 144:212-227.Methane emission by goats consuming different sources of condensed tannins

- (Peer Reviewed Journal)Animut, G., Puchala, R., Goetsch, A.L., Patra, A.K., Sahlu, T., Varel, V.H., Wells, J. 2008. Methane emission by goats consuming different sources of condensed tannins. Animal Feed Science and Technology 144:228-241.Incidence and persistence of zoonotic bacterial and protozoan pathogens in a beef cattle feedlot runoff control - vegetative treatment system

- (Peer Reviewed Journal)Berry, E.D., Woodbury, B.L., Nienaber, J.A., Eigenberg, R.A., Thurston Enriquez, J.A., Wells, J. 2007. Incidence and persistence of zoonotic bacterial and protozoan pathogens in a beef cattle feedlot runoff control - vegetative treatment system. Journal of Environmental Quality 36:1873-1882.Effect of N-(n-butyl) Phosphoric Triamide (NPBT) and a Linalool or Pine Oil Extract on Urea Concentration, Odorants, and Coliform Bacteria in Cattle Feedlot Manure

- (Proceedings)Varel, V.H., Wells, J., Berry, E.D. 2007. Effect of N-(n-butyl) Phosphoric Triamide (NPBT) and a Linalool or Pine Oil Extract on Urea Concentration, Odorants, and Coliform Bacteria in Cattle Feedlot Manure. In CDRom Proceedings:  American Society of Agri Engineers Special Meetings, Sept. 15-19, 2007, Broomfield, CO. CDRom 701P0907cd.COMBINATION OF A UREASE INHIBITOR AND A PLANT ESSENTIAL OIL TO CONTROL COLIFORM BACTERIA, ODOUR PRODUCTION, AND AMMONIA LOSS FROM CATTLE WASTE

- (Peer Reviewed Journal)Varel, V.H., Wells, J., Miller, D.N. 2007. Combination of a urease inhibitor and a plant essential oil to control coliform bacteria, odour production, and ammonia loss from cattle waste. Journal of Applied Microbiology 102:472-477. doi:10.1111/j.1365-2672.2006.03120.xINFLUENCE OF THYMOL AND A UREASE INHIBITOR ON COLIFORM BACTERIA, ODOR, UREA, AND METHANE FROM A SWINE PRODUCTION MANURE PIT

- (Peer Reviewed Journal)Varel, V.H., Wells, J. 2007. Influence of thymol and a urease inhibitor on coliform bacteria, odor, urea, and methane from a swine production manure pit. Journal of Environmental Quality 36(3):773-779.INFLUENCE OF GENOTYPE AND DIET ON STEER PERFORMANCE, MANURE ODOR, AND CARRIAGE OF PATHOGENIC AND OTHER FECAL BACTERIA. II. PATHOGENIC AND OTHER FECAL BACTERIA

- (Peer Reviewed Journal)Berry, E.D., Wells, J.E., Archibeque, S.L., Ferrell, C.L., Freetly, H.C., Miller, D.N. 2006. Influence of genotype and diet on steer performance, manure odor, and carriage of pathogenic and other fecal bacteria. II. Pathogenic and other fecal bacteria. Journal of Animal Science. 84:2523-2532.INFLUENCE OF GENOTYPE AND DIET ON STEER PERFORMANCE, MANURE ODOR, AND CARRIAGE OF PATHOGENIC AND OTHER FECAL BACTERIA.  III. ODOROUS COMPOUND PRODUCTION

- (Peer Reviewed Journal)Miller, D.N., Berry, E.D., Wells, J.E., Ferrell, C.L., Archibeque, S.L., Freetly, H.C. 2006. Influence of genotype and diet on steer performance, manure odor, and carriage of pathogenic and other fecal bacteria.  III. Odorous compound production. Journal of Animal Science. 84:2533-2545.METHANE EMISSION BY GOATS CONSUMING DIETS WITH DIFFERENT LEVELS OF CONDENSED TANNIN-CONTAINING LESPEDEZA AND SORGHUM-SUDANGRASS

- (Abstract Only)Animut, G., Puchala, R., Goetsch, A., Sahlu, T., Detweiler, G., Patra, A., Varel, V., Wells, J. 2006. Methane emission by goats consuming diets with different levels of condensed tannin-containing lespedeza and sorghum-sudangrass [abstract]. Journal of Animal Science 84(Suppl. 1):26.INFLUENCE OF THYMOL ON COLIFORM BACTERIA, VFA, AND METHANE PRODUCTION FROM PULL-PLUG SWINE MANURE PITS

- (Abstract Only)Varel, V.H., Wells, J. 2006. Influence of thymol on coliform bacteria, VFA, and methane production from pull-plug swine manure pits [abstract]. Journal of Animal Science 84(Suppl. 1):292-293.EFFECTS OF ESSENTIAL OILS ON VIABILITY OF ESCHERICHIA COLI O157:H7 IN TREATED BEEF CATTLE MANURE SLURRIES AND ON PREVALENCE FROM TREATED FEEDLOT SURFACES

- (Abstract Only)Wells, J., Berry, E.D., Varel, V.H. 2006. Effects of essential oils on viability of Escherichia coli O157:H7 in treated beef cattle manure slurries and on prevalence from treated feedlot surfaces [abstract]. Journal of Animal Science 84(Suppl 1):356-357.EFFECTS OF COMMON FORAGE PHENOLIC ACIDS ON ESCHERICHIA COLI O157:H7 VIABILITY IN BOVINE FECES

- (Peer Reviewed Journal)Wells, J.E., Berry, E.D., Varel, V.H. 2005. Effects of common forage phenolic acids on Escherichia coli O157:H7 viability in bovine feces. Applied and Environmental Microbiology. 71(12)7974-7979.VIABILITY OF SALMONELLA ENTERICA TYPHIMURIUM AND ESCHERICHIA COLI O157:H7 IN FINISHING SWINE MANURE SLURRIES WITH AND WITHOUT A UREASE INHIBITOR AND A PLANT ESSENTIAL OIL

- (Abstract Only)Wells, J., Varel, V.H. 2005. Viability of Salmonella enterica Typhimurium and Escherichia coli O157:H7 in finishing swine manure slurries with and without a urease inhibitor and a plant essential oil [abstract]. Journal of Animal Science. 83(Supplement 1):301-302.THE EFFECTS OF LARCH EXTRACT ON PERFORMANCE AND FECAL FLORA IN NURSERY PIGS

- (Abstract Only)Wells, J., Yen, J. 2005. The effects of larch extract on performance and fecal flora in nursery pigs. Proceedings of the 2005 Conference on Gastrointestinal Function. p. 18.PLANT OILS AND UREASE INHIBITORS AS SOLUTIONS FOR ENVIRONMENTAL ISSUES ASSOCIATED WITH CONFINED ANIMAL FEEDING OPERATIONS

- (Abstract Only)Varel, V.H., Wells, J. 2005. Plant oils and urease inhibitors as solutions for environmental issues associated with confined animal feeding operations. Proceedings of the 2005 Conference on Gastrointestinal Function. p. 28.IMPACT OF DRIED SKIM MILK IN PRODUCTION DIETS ON LACTOBACILLUS AND PATHOGENIC BACTERIAL SHEDDING IN GROWING-FINISHING SWINE

- (Peer Reviewed Journal)Wells, J.E., Yen, J.T., Miller, D.N. 2005. Impact of dried skim milk in production diets on lactobacillus and pathogenic bacterial shedding in growing-finishing swine. Journal of Applied Microbiology 99:400-407.DRIED SKIM MILK AS A REPLACEMENT FOR SOYBEAN MEAL IN GROWING-FINISHING DIETS:  EFFECTS ON GROWTH PERFORMANCE, APPARENT TOTAL-TRACT NITROGEN DIGESTIBILITY, URINARY AND FECAL NITROGEN EXCRETION, AND CARCASS TRAITS IN PIGS

- (Peer Reviewed Journal)Yen, J., Wells, J., Miller, D.N. 2004. Dried skim milk as a replacement for soybean meal in growing-finishing diets:  Effects on growth performance, apparent total-tract nitrogen digestibility, urinary and fecal nitrogen excretion, and carcass traits in pigs. Journal of Animal Science. 82:3338-3345.COMBINATION OF A UREASE INHIBITOR AND A PLANT ESSENTIAL OIL FOR CONTROL OF FECAL COLIFORMS AND EMISSIONS OF ODOR AND AMMONIA FROM CATTLE WASTE

- (Abstract Only)Varel, V.H., Wells, J., Miller, D.N. 2004. Combination of a urease inhibitor and a plant essential oil for control of fecal coliforms and emissions of odor and ammonia from cattle waste [abstract]. Journal of Animal Science 82(Suppl. 1):302.EFFECT OF DRY SKIM MILK ON FECAL BACTERIAL POPULATIONS AND SALMONELLA SHEDDING IN GROWING-FINISHING SWINE

- (Abstract Only)Wells, J., Yen, J., Miller, D.N. 2004. Effect of dry skim milk on fecal bacterial populations and salmonella shedding in growing-finishing swine[abstract]. Journal of Animal Science 82(Suppl. 1):174-175.EFFECT OF PLANT PHENOLICS ON ESCHERICHIA COLI O157:H7 SURVIVAL IN BOVINE FECES

- (Abstract Only)Wells, J.E., Berry, E.D., Miller, D.N., Varel, V.H.  2004.  Effect of plant phenolics on Escherichia coli O157:H7 survival in bovine feces.  In:  Proceedings of the 104th General Meeting of the American Society for Microbiology, May 23-27, 2004, New Orleans, Louisiana.  2004 CDROM.LOWER DIGESTIVE TRACT MICROBIOLOGY

- (Book / Chapter)Varel, V.H., Wells, J. 2005. Lower digestive tract microbiology. In: Pond, W.G., Bell, A.W., editors.  Encyclopedia of Animal Science.  Marcel Dekker,Inc., New York, NY. p. 585-587.GI TRACT:  ANIMAL/MICROBIAL SYMBIOSIS

- (Book / Chapter)Wells, J., Varel, V.H. 2005. Gi tract:  Animal/microbial symbiosis.  In: Pond, W.G., Bell, A.W., editors.  Encyclopedia of Animal Science.  Marcel Dekker,Inc., New York, NY. p. 449-452.DEVELOPMENT AND APPLICATION OF A POLYMERASE CHAIN REACTION ASSAY FOR THE DETECTION AND ENUMERATION OF BILE ACID 7 ALPHA-DEHYDROXYLATING BACTERIA IN HUMAN FECES

- (Peer Reviewed Journal)WELLS, J., WILLIAMS, K.B., WHITEHEAD, T.R., HEUMAN, D.M., HYLEMON, P.B. 2003. DEVELOPMENT AND APPLICATION OF A POLYMERASE CHAIN REACTION ASSAY FOR THE DETECTION AND ENUMERATION OF BILE ACID 7 ALPHA-DEHYDROXYLATING BACTERIA IN HUMAN FECES. CLINICA CHIMICA ACTA. 331:127-134.
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