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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







Norasak  Kalchayanand

(Nor)
                        Meat Safety and Quality

                        




                        
                        Research Microbiologist
                        Phone: (402) 762-4224
                        
                        
                        Fax: (402) 762-4149(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsHolistic Tactics to Advance the Microbiological Safety and Quality of the Red Meat Continuum
                                                    In-House Appropriated
                                                                    (D)Accession Number: 440930**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Antibiotic and sanitizer resistance among Escherichia coli isolated during red meat production

- (Peer Reviewed Journal)Evaluation of peracetic acid treatment on beef trimmings and subprimals against salmonella and E. coli O157:H7 within regulatory retained water limitations
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Wang, R., Brown, T., Wheeler, T.L. 2024. Evaluation of peracetic acid treatment on beef trimmings and subprimals against salmonella and E. coli O157:H7 within regulatory retained water limitations. Journal of Food Protection. 87(3). Article 100217. https://doi.org/10.1016/j.jfp.2024.100217.Fate of Shiga toxin-producing Escherichia coli (STEC) and Salmonella during kosher processing of fresh beef
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Koohmaraie, M., Wheeler, T.L. 2023. Fate of Shiga toxin-producing Escherichia coli (STEC) and Salmonella during kosher processing of fresh beef. Journal of Food Protection. 86(6). Article 100088. https://doi.org/10.1016/j.jfp.2023.100088.Efficacy of short thermal treatment time against Escherichia coli O157:H7 and Salmonella on the surface of fresh beef
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Wang, R., Brown, T., Wheeler, T.L. 2023. Efficacy of short thermal treatment time against Escherichia coli O157:H7 and Salmonella on the surface of fresh beef. Journal of Food Protection. 86(3). Article 100040. https://doi.org/10.1016/j.jfp.2023.100040.Efficacy of antimicrobial interventions used in meat processing plants against antimicrobial tolerant non-antibiotic-resistant and antibiotic-resistant Salmonella on fresh beef
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Dass, S.C., Zhang, Y., Oliver, E.L., Wang, B., Wheeler, T.L. 2022. Efficacy of antimicrobial interventions used in meat processing plants against antimicrobial tolerant non-antibiotic-resistant and antibiotic-resistant Salmonella on fresh beef. Journal of Food Protection. 85(8):1114-1121. https://doi.org/10.4315/JFP-21-364.Characterization of Escherichia coli harboring colibactin genes (clb) isolated from beef production and processing systems
                                                        

- (Peer Reviewed Journal)Guragain, M., Schmidt, J.W., Kalchayanand, N., Dickey, A.M., Bosilevac, J.M. 2022. Characterization of Escherichia coli harboring colibactin genes (clb) isolated from beef production and processing systems. Nature Scientific Reports. 12. Article 5305. https://doi.org/10.1038/s41598-022-09274-x.Evaluation of Salmonella biofilm cell transfer from common food contact surfaces to beef products
                                                        

- (Peer Reviewed Journal)Wang, R., King, D.A., Kalchayanand, N. 2022. Evaluation of Salmonella biofilm cell transfer from common food contact surfaces to beef products. Journal of Food Protection. 85(4):632-638. https://doi.org/10.4315/JFP-21-334.Ensuring Escherichia coli possessing colibactin genes (clb) linked to colorectal cancer do not become a food safety problem for beef

- (Abstract Only)Guragain, M., Schmidt, J.W., Kalchayanand, N., Bosilevac, J.M. 2023. Ensuring Escherichia coli possessing colibactin genes (clb) linked to colorectal cancer do not become a food safety problem for beef. Journal of Food Protection. 84(Suppl A): P. 134.Consecutive treatments with a multicomponent sanitizer inactivate biofilms formed by Escherichia coli O157:H7 and Salmonella enterica and remove biofilm matrix
                                                        

- (Peer Reviewed Journal)Wang, R., Zhou, Y., Kalchayanand, N., Harhay, D.M., Wheeler, T.L. 2021. Consecutive treatments with a multicomponent sanitizer inactivate biofilms formed by Escherichia coli O157:H7 and Salmonella enterica and remove biofilm matrix. Journal of Food Protection. 84(3):408-417. https://doi.org/10.4315/JFP-20-321.Seasonal prevalence of Shiga toxin-producing Escherichia coli on pork carcasses for three steps of the harvest process at two commercial processing plants in the United States
                                                        

- (Peer Reviewed Journal)Nastasijevic, I., Schmidt, J.W., Boskovic, M., Glisic, M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M., Bosilevac, J.M. 2020. Seasonal prevalence of Shiga toxin-producing Escherichia coli on pork carcasses for three steps of the harvest process at two commercial processing plants in the United States. Applied and Environmental Microbiology. 87(1):e01711-20. https://doi.org/10.1128/AEM.01711-20.Screening and characterization of genetic locus of heat resistance (LHR) in meat-borne Escherchia coli

- (Abstract Only)Guragain, M., Kalchayanand, N., Wang, R., Bosilevac, J.M. 2020. Screening and characterization of genetic locus of heat resistance (LHR) in meat-borne Escherchia coli [abstract]. American Society for Microbiology Microbe Conference. Available:  https://www.abstractsonline.com/pp8/#!/9103/presentation/7252.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.Evaluation of UVC radiation and a UVC-ozone combination as fresh beef interventions against Shiga Toxin-producing Escherichia coli, Salmonella, and Listeria monocytogenes and their effects on beef quality
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Bosilevac, J.M., King, D.A., Wheeler, T.L. 2020. Evaluation of UVC radiation and a UVC-ozone combination as fresh beef interventions against Shiga Toxin-producing Escherichia coli, Salmonella, and Listeria monocytogenes and their effects on beef quality. Journal of Food Protection. 83(9):1520-1529. https://doi.org/10.4315/JFP-19-473.Effectiveness and functional mechanism of a multicomponent sanitizer against biofilms formed by Escherichia coli O157:H7 and five Salmonella serotypes prevalent in the meat industry
                                                        

- (Peer Reviewed Journal)Wang, R., Zhou, Y., Kalchayanand, N., Harhay, D.M., Wheeler, T.L. 2020. Effectiveness and functional mechanism of a multicomponent sanitizer against biofilms formed by Escherichia coli O157:H7 and five Salmonella serotypes prevalent in the meat industry. Journal of Food Protection. 83(4):568-575. https://doi.org/10.4315/0362-028X.JFP-19-393.A novel aqueous ozone treatment as a spray chill intervention against Escherichia coli O157:H7 on surfaces of fresh beef
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Worlie, D., Wheeler, T. 2019. A novel aqueous ozone treatment as a spray chill intervention against Escherichia coli O157:H7 on surfaces of fresh beef. Journal of Food Protection. 82(11):1874-1878. https://doi.org/10.4315/0362-028X.JFP-19-093.Consecutive treatments with Sterilex eliminate biofilms by E. coli O157:H7 and Salmonella enterica

- (Abstract Only)Wang, R., Zhou, Y., Kalchayanand, N., Harhay, D.M., Wheeler, T.L. 2019. Consecutive treatments with Sterilex eliminate biofilms by E. coli O157:H7 and Salmonella enterica. [Abstract]. International Association for Food Protection Proceedings. Poster No. P2-120.Photohydroionization reduces shiga toxin-producing Escherichia coli and Salmonella on fresh beef with minimal effects on meat quality
                                                        

- (Peer Reviewed Journal)Yang, X., Kalchayanand, N., Belk, K.E., Wheeler, T.L. 2019. Photohydroionization reduces shiga toxin-producing Escherichia coli and Salmonella on fresh beef with minimal effects on meat quality. Meat and Muscle Biology. 3(1):105-115. https://doi.org/10.22175/mmb2018.11.0036.Surface pH of fresh beef as a parameter to validate effectiveness of lactic acid treatment against Escherichia O157:H7 and Salmonella
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Schmidt, J.W., Shackelford, S.D., Brown, T., Wheeler, T.L. 2018. Surface pH of fresh beef as a parameter to validate effectiveness of lactic acid treatment against Escherichia O157:H7 and Salmonella. Journal of Food Protection. 81(7):1126-1133. https://doi.org/10.4315/0362-028X.JFP-17-469.Salmonella in peripheral lymph nodes of healthy cattle at slaughter

- (Peer Reviewed Journal)Webb, H.E., Harhay, D.M., Brashers, M.M., Nightengale, K.K., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Schmidt, J.W., Wang, R., Granier, S.A., Brown, T.R., Edrington, T.S., Shackelford, S.D., Wheeler, T.L., Loneragan, G.H. 2017. Salmonella in peripheral lymph nodes of healthy cattle at slaughter. Frontiers in Microbiology. 8:2214. https://doi.org/10.3389/fmicb.2017.02214.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.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.Effect of radiant catalytic ionization on lean color and lipid oxidation of beef

- (Abstract Only)Yang, X., Kalchayanand, N., Belk, K., Wheeler, T.L. 2017. Effect of radiant catalytic ionization on lean color and lipid oxidation of beef. [abstract] American Meat Science Association Conference Reciprocal Proceedings, June 18-21, 2017, College Station, Texas. No 62.Effectiveness of Sanitizer D7(TM) against Escherichia coli O157:H7 and Salmonella biofilms

- (Abstract Only)Wang, R., Kalchayanand, N., Brichta-Harhay, D.M., Zhou, Y. 2017. Effectiveness of Sanitizer D7(TM) against Escherichia coli O157:H7 and Salmonella biofilms. [Abstract]. International Association for Food Protection Proceedings. P2-46. Available at: https://iafp.confex.com/iafp/2017/webprogram/authork.html.Antimicrobial efficacy of radiant catalytic ionization against shiga toxin-producing Escherichia coli on inoculated beef

- (Abstract Only)Yang, X., Kalchayanand, N., Belk, K., Wheeler, T.L. 2017. Antimicrobial efficacy of radiant catalytic ionization against shiga toxin-producing Escherichia coli on inoculated beef. [Abstraact]. International Association for Food Protection Proceedings. P1-133.  Available at: https://iafp.confex.com/iafp/2017/webprogram/authork.html.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.Effect of radiant catalytic ionization on reduction of foodborne pathogens on beef

- (Abstract Only)Yang, X., Kalchayanand, N., Belk, K., Wheeler, T.L. 2017. Effect of radiant catalytic ionization on reduction of foodborne pathogens on beef. Meeting Abstract. [Abstract]. Beef Industry Safety Summit, February 28-March 2, 2017, Houston, Texas. Available:http://bifsco.org/search.aspx?qal=2017 abstracts.Evaluation of bacteriophage application to cattle in lairage at beef processing plants to reduce Escherichia coli O157:H7 prevalence on hides and carcasses
                                                        

- (Peer Reviewed Journal)Arthur, T.M., Kalchayanand, N., Agga, G.E., Wheeler, T.L., Koohmaraie, M. 2017. Evaluation of bacteriophage application to cattle in lairage at beef processing plants to reduce Escherichia coli O157:H7 prevalence on hides and carcasses. Foodborne Pathogens and Disease. 14(1):17-22. doi:10.1089/fpd.2016.2189.Escherichia coli O157:H7 strains isolated from High-Event Period beef contamination have strong biofilm-forming ability and low sanitizer susceptibility, which are associated with high pO157 plasmid copy number
                                                        

- (Peer Reviewed Journal)Wang, R., Luedtke, B.E., Bosilevac, J.M., Schmidt, J.W., Kalchayanand, N., Arthur, T.M. 2016. Escherichia coli O157:H7 strains isolated from High Event Period beef contamination have strong biofilm-forming ability and low sanitizer susceptibility, which are associated with high pO157 plasmid copy number. Journal of Food Protection. 79(11):1875-1883.  doi:10.4315/0362-028X.JFP-16-113.Effect of exposure time and organic matter on efficacy of antimicrobial compounds against Shiga Toxin-producing Escherichia coli and Salmonella
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Koohmaraie, M., Wheeler, T.L. 2016. Effect of exposure time and organic matter on efficacy of antimicrobial compounds against Shiga Toxin-producing Escherichia coli and Salmonella. Journal of Food Protection. 79(4):561-568. doi: 10.4315/0362-028X.JFP-15-204Sequence of colonization determines the composition of mixed biofilms by Escherichia coli O157:H7 and O111:H8 strains
                                                        

- (Peer Reviewed Journal)Wang, R., Kalchayanand, N., Bono, J.L. 2015. Sequence of colonization determines the composition of mixed biofilms by Escherichia coli O157:H7 and O111:H8 strains. Journal of Food Protection. 78(8):1554-1559. DOI: 10.4315/0362-028X.JFP-15-009.Effect of kosher processing on Shiga Toxin producing Escherichia coli (STEC) and Salmonella on surfaces of fresh beef and its quality.

- (Abstract Only)Kalchayanand, N., Wheeler, T.L., Koohmaraie, M. 2015. Effect of kosher processing on Shiga Toxin producing Escherichia coli (STEC) and Salmonella on surfaces of fresh beef and its quality. [Abstract] International Association for Food Protection Proceedings. Volume 78 (Supplement A): page 169. (P2-77).Effects of organic acid-surfactant mixtures on levels of bacteria and beef quality traits

- (Abstract Only)Bosilevac, J.M., Kalchayanand, N., King, D.A. 2015. Effects of organic acid-surfactant mixtures on levels of bacteria and beef quality traits. [Abstract] International Association for Food Protection Proceedings. Volume 78 (Supplement A): Page 273. (P3-150).Characterization of E. coli O157:H7 strains isolated from “High Event Period” beef trim contamination

- (Abstract Only)Wang, R., Luedtke, B.E., Kalchayanand, N., Schmidt, J.W., Bosilevac, J.M., Arthur, T.M. 2015. Characterization of E. coli O157:H7 strains isolated from “High Event Period” beef trim contamination. [Abstract] International Association for Food Protection Proceedings. Volume 78 (Supplement A): page 64. (T10-211).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.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.Efficacy of antimicrobial compounds on surface decontamination of seven shiga toxin-producing Escherichia coli (STEC) and Salmonella inoculated onto fresh beef
                                                        

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Schmidt, J.W., Wang, R., Shackelford, S.D., Wheeler, T.L. 2015. Efficacy of antimicrobial compounds on surface decontamination of seven shiga toxin-producing Escherichia coli and Salmonella inoculated onto fresh beef. Journal of Food Protection. 78(3):503-510.Biofilm formation and sanitizer resistance of Escherichia coli 0157:H7 strains isolated from "High Event Period" meat contamination
                                                        

- (Peer Reviewed Journal)Wang, R., Kalchayanand, N., King, D.A., Luedtke, B.E., Bosilevac, J.M., Arthur, T.M. 2014. Biofilm formation and sanitizer resistance of Escherichia coli 0157:H7 strains isolated from "High Event Period" meat contamination. Journal of Food Protection. 77(11):1982-1987.Pre- and post-harvest interventions to reduce pathogen contamination in the U.S. beef industry

- (Proceedings)Wheeler, T.L., Kalchayanand, N., Bosilevac, J.M., 2014. Pre- and post-harvest interventions to reduce pathogen contamination in the U.S. beef industry. In:  Proceedings of the 60th International Congress of Meat Science and technology, August 17-18, 2014, Punta Del Este, Uruguay. Journal of Meat Science. 98:372-382.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.Effect of direct-fed microbial supplementation on the presence of Salmonella enterica in bovine peripheral lymph nodes

- (Abstract Only)Harhay, D.M., Loneragan, G.H., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Schmidt, J.W., Wang, R., Wheeler, T.L., Kolath, B., Theunick, D., Riemann, M., Schaefer, D., Brown, T. 2014. Effect of direct-fed microbial supplementation on the presence of Salmonella enterica in bovine peripheral lymph nodes. [Abstract]. International Association for Food Protection. Supp. A(77):211-212. P3-65.Examination of predictors of Salmonella enterica contamination in cattle feedlot environments

- (Abstract Only)Harhay, D.M., Arthur, T.M., Schmidt, J.W., Wang, R., Kalchayanand, N., Bosilevac, J.M., Edrington, T.S., Loneragan, G., Wheeler, T.L. 2014. Examination of predictors of Salmonella enterica contamination in cattle feedlot environments. [Abstract] Beef Industray Safety Summit. Available:  www.bifsco.org/attendees.aspx.Minimal heat treatments reduce Shiga toxin-producing Escherichia coli (STEC)and Salmonella on the surface of fresh beef

- (Abstract Only)Kalchayanand, N., Wang, R., Wheeler, T.L. 2014. Minimal heat treatments reduce Shiga toxin-producing Escherichia coli (STEC)and Salmonella on the surface of fresh beef.[Abstract] Annual Meeting of the Institute of Food Technologists. Available:http://www.ift.org/Meetings-and-Events/Past-Meeting-Resources/Technical-Abstract-Search.Prevalence and serotypes of intimin (eae) positive Shiga toxin-producing E. coli colonizing cattle arriving at fed beef and cull cow plants in the US

- (Abstract Only)Bosilevac, J.M., Luedtke, B.E., Arthur, T.M., Kalchayanand, N., Schmidt, J.W., Shackelford, S.D., Wheeler, T.L. 2014. Prevalence and serotypes of intimin (eae) positive Shiga toxin-producing E. coli colonizing cattle arriving at fed beef and cull cow plants in the U.S. [abstract] Beef Industry Safety Summit.  Available:  www.bifsco.org/attendees.aspx.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.Immersion in antimicrobial solutions reduces Salmonella enterica and Shiga toxin-producing Escherichia coli on beef cheek meat
                                                        

- (Peer Reviewed Journal)Schmidt, J.W., Bosilevac, J.M., Kalchayanand, N., Wang, R., Wheeler, T.L., Koohmaraie, M. 2014. Immersion in antimicrobial solutions reduces Salmonella enterica and Shiga toxin-producing Escherichia coli on beef cheek meat. Journal of Food Protection. 77(4):538-548.Characterization of escherichia coli O157:H7 strains from
contaminated raw beef trim during “high event periods”

- (Peer Reviewed Journal)Arthur, T.M., Bono, J.L., Kalchayanand, N. 2014. Characterization of escherichia coli O157:H7 strains from contaminated raw beef trim during “high event periods”. Applied and Environmental Microbiology. 80(2):506-514.Economic assessment and pathogenic bacteria inhibition of bovine hide presoaking solutions formulated with enzymes that can remove adobe-type manure

- (Peer Reviewed Journal)Ramos, M., Muir, Z.E., Wheeler, T.L., Kalchayanand, N., Mcaloon, A.J. 2013. Economic assessment and pathogenic bacteria inhibition of bovine hide presoaking solutions formulated with enzymes that can remove adobe-type manure. Journal of American Leather Chemists Association. 108(9):319-344.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.Characterization of Escherichia coli 0157:H7 strains isolated from supershedding cattle
                                                        

- (Peer Reviewed Journal)Arthur, T.M., Ahmed, R., Chase-Topping, M., Kalchayanand, N., Schmidt, J.W., Bono, J.L. 2013. Characterization of Escherichia coli 0157:H7 strains isolated from supershedding cattle. Applied and Environmental Microbiology. 79(14):4294-4303.Mixed biofilm formation by Shiga toxin-producing Escherichia coli and Salmonella enterica serovar typhimurium enhanced bacterial resistance to sanitization due to extracellular polymeric substances
                                                        

- (Peer Reviewed Journal)Wang, R., Kalchayanand, N., Schmidt, J.W., Harhay, D.M. 2013. Mixed biofilm formation by Shiga toxin-producing Escherichia coli and Salmonella enterica serovar typhimurium enhanced bacterial resistance to sanitization due to extracellular polymeric substances. Journal of Food Protection. 76(9):1513-1522.Biofilm formation and sanitizer resistance contributes to “High Event” meat contamination by E. coli O157:H7

- (Abstract Only)Wang, R., Kalchayanand, N., Bosilevac, J.M., Arthur, T.M. 2013. Biofilm formation and sanitizer resistance contributes to “High Event” meat contamination by E. coli O157:H7. International Association for Food Protection Proceedings. [abstract] P1-48 Page No.48.Ultraviolet light (UV) and UV-ozone interventions reduce shiga toxin-producing Escherichia coli (STEC) on contaminated fresh beef

- (Abstract Only)Kalchayanand, N., Bosilevac, J.M., Wheeler, T.L. 2013. Ultraviolet light (UV) and UV-ozone interventions reduce shiga toxin-producing Escherichia coli (STEC) on contaminated fresh beef. American Society for Microbiology General Meeting. Poster No. 1596 p.166.Characterization of E. coli O157:H7 strains isolated from super-shedding cattle

- (Abstract Only)Arthur, T.M., Ahmed, R., Chase-Topping, M., Kalchayanand, N., Schmidt, J.W., Bono, J.L. 2013. Characterization of E. coli O157:H7 strains isolated from super-shedding cattle. American Society for Microbiology General Meeting. Poster No. 1707, p 171.Cross-sectional study examining Salmonella enterica carriage in subiliac lymph nodes of cull and feedlot cattle at harvest

- (Peer Reviewed Journal)Gragg, S.E., Loneragan, G.H., Brashears, M.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Wang, R., Schmidt, J.W., Brooks, J.C., Shackelford, S.D., Wheeler, T.L., Brown, T.R., Edrington, T.S., Brichta-Harhay, D.M. 2013. Cross-sectional study examining Salmonella enterica carriage in subiliac lymph nodes of cull and feedlot cattle at harvest. Foodborne Pathogens and Disease. 10:368-374.Salmonella in lymph nodes of cull and fed cattle at harvest

- (Abstract Only)Webb, H.E., Harhay, D.M., Gragg, S.E., Brashears, M.M., Nightingale, K.K., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Schmidt, J.W., Wang, R., Lonergan, G.H. 2013. Salmonella in lymph nodes of cull and fed cattle at harvest. IN:  Proceedings of The Beef Industry Summit 2013, March 13-15, 2013, Dallas Texas, 2013 FLASHDRIVE.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.Cross-sectional study examining Salmonella enterica carriage in subiliac lymph nodes of cull and feedlot cattle at harvest

- (Peer Reviewed Journal)Gragg, S.E., Loneragan, G.H., Brashears, M.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Wang, R., Schmidt, J.W., Brooks, J., Shackelford, S.D., Wheeler, T.L., Brown, T.R., Edrington, T.S., Harhay, D.M. 2013. Cross-sectional study examining Salmonella enterica carriage in subiliac lymph nodes of cull and feedlot cattle at harvest. Foodborne Pathogens and Disease. 10(4):368-374.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.Detection of Escherichia coli O157:H7 and Salmonella enterica in air and droplets at three U.S. commercial beef processing plants

- (Peer Reviewed Journal)Schmidt, J.W., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Wheeler, T.L. 2012. Detection of Escherichia coli O157:H7 and Salmonella enterica in air and droplets at three U. S. commercial beef processing plants. Journal of Food Protection. 75(12):2213-2218.Dual-serotype biofilm formation by Shiga toxin-producing Escherichia coli 0157:H7 and 026:H11 strains

- (Peer Reviewed Journal)SWang, R., Kalchayanand, N., Schmidt, J.W., Bosilevac, J.M., Bono, J.L. 2012. Dual-serotype biofilm formation by Shiga toxin-producing Escherichia coli 0157:H7 and 026:H11 strains. Applied and Environmental Microbiology. 78(17):6341-6344.Detection methods and intervention strategies for shiga toxin-producing E. coli in beef

- (Abstract Only)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Wheeler, T.L. 2012. Detection methods and intervention strategies for shiga toxin-producing E. coli in beef [abstract]. Annual Meeting of the Institute of Food Technologists. 061-01:52.Sampling and aging effects on beef longissimus color stability measurements

- (Peer Reviewed Journal)King, D.A., Shackelford, S.D., Kalchayanand, N., Wheeler, T.L. 2012. Sampling and aging effects on beef longissimus color stability measurements. Journal of Animal Science. 90:3596-3605.Biofilm formation by Shiga toxin–producing Escherichia coli O157:H7 and non-O157 strains and their tolerance to sanitizers commonly used in the food processing environment

- (Peer Reviewed Journal)Wang, R., Bono, J.L., Kalchayanand, N., Shackelford, S.D., Harhay, D.M. 2012. Biofilm formation by Shiga toxin–producing Escherichia coli O157:H7 and non-O157 strains and their tolerance to sanitizers commonly used in the food processing environment. Journal of Food Protection. 75(8):1418-1428.Evaluation of commonly used antimicrobial interventions for fresh beef inoculated with Shiga toxin-producing Escherichia coli serotypes O26, O45, O103, O111, O121, O145, and O157:H7

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Schmidt, J.W., Wang, R., Shackelford, S.D., Wheeler, T.L. 2012. Evaluation of commonly used antimicrobial interventions for fresh beef inoculated with Shiga toxin-producing Escherichia coli serotypes O26, O45, O103, O111, O121, O145, and O157:H7. Journal of Food Protection. 75(7):1207-1212.Efficacy of ultraviolet light (UV) and UV-ozone as an intervention to reduce pathogens-contaminated fresh beef

- (Abstract Only)Kalchayanand, N., Bosilevac, J.M., Wheeler, T.L. 2012. Efficacy of ultraviolet light (UV) and UV-ozone as an intervention to reduce pathogens-contaminated fresh beef.[Abstract] Annual Meeting of the Institute of Food Technologists.June 25-28, 2012, Las Vegas, Nevada. Abstract 035-71:25.Biofilm formation by foodborne pathogens and their resistance to sanitization

- (Abstract Only)Wang, R., Bono, J.L., Kalchayanand, N., Shackelford, S.D., Harhay, D.M. 2012. Biofilm formation by foodborne pathogens and their resistance to sanitization. [Abstract]. Americian Society for Microbiology, 112th General Meeting. Poster No 2154, session 170.Prevalence and characterization of non-O157 Shiga toxin-producing Escherichia coli isolated from feedlot and cull dairy and beef herd cattle

- (Abstract Only)Prevalence, enumeration, serotypes, and antimicrobial resistance phenotypes of Salmonella enterica isolates from carcasses at two large United States pork processing plants

- (Peer Reviewed Journal)Schmidt, J.W., Harhay, D.M., Kalchayanand, N., Bosilevac, J.M., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2012. Prevalence, enumeration, serotypes, and antimicrobial resistance phenotypes of Salmonella enterica isolates from carcasses at two large United States pork processing plants. Applied and Environmental Microbiology. 78(8):2716-2726.Efficacy of hypobromous acid as a hide-on carcass antimicrobial intervention

- (Peer Reviewed Journal)Schmidt, J.W., Wang, R., Kalchayanand, N., Wheeler, T.L., Koohmaraie, M. 2012. Efficacy of hypobromous acid as a hide-on carcass antimicrobial intervention. Journal of Food Protection. 75 (5): 955-958.Microbiological analysis of bovine lymph nodes for the detection of Salmonella enterica

- (Peer Reviewed Journal)Harhay, D.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Schmidt, J.W., Wang, R., Shackelford, S.D., Loneragan, G.H., Wheeler, T.L. 2012. Microbiological analysis of bovine lymph nodes for the detection of Salmonella enterica. Journal of Food Protection. 75(5):854-858.Salmonella in lymph nodes of cattle presented for harvest

- (Abstract Only)Gragg, S.E., Loneragan, G.H., Brashears, M.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Wang, R., Schmidt, J.W., Brooks, J.C., Shackelford, S.D., Wheeler, T.L., Brown, T.R., Brichta-Harhay, D.M. 2011. Salmonella in lymph nodes of cattle presented for harvest [abstract]. Proceeding of the 2011 Conference of Research Workers in Animal Diseases, December 4-6, 2011, Chicago, Illinois.  p. 149.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.Non-O157 Shiga toxin-producing Escherichia coli: prevalence associated with meat animals and controlling interventions

- (Proceedings)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Wheeler, T.L. 2012. Non-O157 Shiga toxin-producing Escherichia coli: prevalence associated with meat animals and controlling interventions. Proceedings of American Meat Science Association 64th Annual Reciprocal Meat Conference, June 19-22, 2011, Kansas State University, Manhattan Kansas. p.1-9.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.Survival of Escherichia coli O157:H7 on cattle hides

- (Peer Reviewed Journal)Arthur, T.M., Nou, X., Kalchayanand, N., Bosilevac, J.M., Wheeler, T.L., Koohmaraie, M. 2011. Survival of Escherichia coli O157:H7 on cattle hides. Applied and Environmental Microbiology. 77(9):3002-3008.Salmonella in lymph nodes of cattle presented for harvest

- (Abstract Only)Gragg, S.E., Loneragan, G.H., Brichta-Harhay, D.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Wang, R., Schmidt, J.W., Brooks, J.C., Shackelford, S.D., Wheeler, T.L., Brown, T.R., Brashears, M.M. 2011. Salmonella in lymph nodes of cattle presented for harvest [abstract]. International Association for Food Protection.  p. 19.  Abstract No. P1-62.Towards an understanding of how Salmonella potentially evades beef carcass processing interventions

- (Abstract Only)Brichta-Harhay, D.M., Gragg, S.E., Smith, T.P.L., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Schmidt, J.W., Wang, R., Shackelford, S.D., Wheeler, T.L., Brashears, M.M., Brooks, J.C., Brown, T.R., Harhay, G.P., Loneragan, G.H. 2011. Towards an understanding of how Salmonella potentially evades beef carcass processing interventions [abstract]. 2011 Beef Industry Safety Summit. Abstract No. 2.The effect of sample size and matrix on the ability of rapid methods to detect E. coli O157:H7

- (Abstract Only)Bosilevac, J.M., Schmidt, J.W., Kalchayanand, N., Wheeler, T.L., Koohmaraie, M. 2011. The effect of sample size and matrix on the ability of rapid methods to detect E. coli O157:H7 [abstract]. 2011 Beef Industry Safety Summit, Dallas, TX. March 2-4, 2011. 2011 Beef Industry Safety Summit Research Update. Abstract No. 1.Diversity of multidrug-resistant Salmonella enterica strains associated with cattle at harvest in the United States

- (Peer Reviewed Journal)Harhay, D.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2011. Diversity of multidrug-resistant Salmonella enterica strains associated with cattle at harvest in the United States. Applied and Environmental Microbiology. 77(5):1783-1796.Inoculation of beef with low concentrations of Escherichia coli O157:H7 and examination of factors that interfere with its detection by culture isolation and rapid methods

- (Peer Reviewed Journal)Bosilevac, J.M., Kalchayanand, N., Schmidt, J.W., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2010. Inoculation of beef with low concentrations of Escherichia coli O157:H7 and examination of factors that interfere with its detection by culture isolation and rapid methods. Journal of Food Protection. 73:2180-2188.Diversity of Multi-drug Resistant Salmonella enterica Associated with Cull Cattle at Harvest in the United States

- (Abstract Only)Harhay, D.M., Poole, T.L., Durso, L.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2010. Diversity of Multi-drug Resistant Salmonella enterica Associated with Cull Cattle at Harvest in the United States [abstract]. American Society for Microbiology. p. 25, Presentation No. S4:1 and p. 111, Poster No. B176.Super Shedding of Escherichia coli O157:H7 by Cattle and the Impact on Beef Carcass Contamination

- (Proceedings)Arthur, T.M., Harhay, D.M., Bosilevac, J.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2010. Super Shedding of Escherichia coli O157:H7 by Cattle and the Impact on Beef Carcass Contamination. Meat Science. 86:32-37. Special Issue: 56th International Congress of Meat Science and Technology (56th ICoMST) August 15-20, 2010, Jeju, Korea. (Proceedings) Available: http://dx.doi.org/10.1016/j.meatsci.2010.04.019Effects 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).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.Longitudinal Study of Escherichia coli O157:H7 in a Beef Cattle Feedlot and Role of High-Level Shedders in Hide Contamination

- (Peer Reviewed Journal)Arthur, T.M., Keen, J.E., Bosilevac, J.M., Brichta-Harhay, D.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Nou, X., Koohmaraie, M. 2009. Longitudinal Study of Escherichia coli O157:H7 in a Beef Cattle Feedlot and Role of High-Level Shedders in Hide Contamination. Applied and Environmental Microbiology. 75(20):6515-6523.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.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.Longitudinal Study of Escherichia coli O157:H7 in a Beef Cattle Feedlot and the Role of High Shedders in Hide Contamination

- (Abstract Only)Arthur, T.M., Keen, J.E., Bosilevac, J.M., Brichta-Harhay, D.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Nou, X., Koohmaraie, M. 2009. Longitudinal Study of Escherichia coli O157:H7 in a Beef Cattle Feedlot and the Role of High Shedders in Hide Contamination [abstract]. 7th International Symposium on Shiga Toxin (Verocytotoxin)-Producing Escherichia coli Infections (VTEC2009) Paper No. 195.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.Prevalence and Characterization of Salmonellae in Commercial Ground Beef in the United States

- (Peer Reviewed Journal)Bosilevac, J.M., Guerini, M.N., Kalchayanand, N., Koohmaraie, M. 2009. Prevalence and Characterization of Salmonellae in Commercial Ground Beef in the United States. Applied and Environmental Microbiology. 75(7):1892-1900.Prevalence Rates of Escherichia coli O157:H7 and Salmonella at Different Sampling Sites on Cattle Hides at a Feedlot and Processing Plant

- (Peer Reviewed Journal)Kalchayanand, N., Brichta-Harhay, D.M., Arthur, T.M., Bosilevac, J.M., Guerini, M.N., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M. 2009. Prevalence Rates of Escherichia coli O157:H7 and Salmonella at Different Sampling Sites on Cattle Hides at a Feedlot and Processing Plant. Journal of Food Protection. 72(6):1267-1271.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.Characterization of Multidrug-resistant Salmonella Isolated from Cull and Fed Cattle at Slaughter in the United States

- (Abstract Only)Harhay, D.M., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2009. Characterization of Multidrug-resistant Salmonella Isolated from Cull and Fed Cattle at Slaughter in the United States [abstract]. NCBA Beef Industry Safety Summit, San Diego, CA, March 4-6, 2009.Prevalence and Enumeration of Escherichia coli O157:H7 and Salmonella in U.S. Abattoirs That Process Fewer Than 1,000 Head of Cattle Per Day

- (Peer Reviewed Journal)Bosilevac, J.M., Arthur, T.M., Bono, J.L., Brichta-Harhay, D.M., Kalchayanand, N., King, D.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2009. Prevalence and Enumeration of Escherichia coli O157:H7 and Salmonella in U.S. Abattoirs That Process Fewer Than 1,000 Head of Cattle Per Day. Journal of Food Protection. 72(6):1272-1278.Effectiveness of 1,3-Dibromo-5,5 dimethylhydantoin on reduction of Escherichia coli O157:H7- and Salmonella-inoculated fresh meat

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Brichta-Harhay, D.M., Guerini, M.N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2009. Effectiveness of 1,3-Dibromo-5,5 dimethylhydantoin on reduction of Escherichia coli O157:H7- and Salmonella-inoculated fresh meat. Journal of Food Protection 72(1):151-156.Salmonella and E. coli O157:H7 contamination on hides and carcasses of cull cattle presented for slaughter in the U.S.: an evaluation of prevalence and bacterial loads by immunomagnetic separation and direct plating methods

- (Peer Reviewed Journal)Harhay, D.M., Guerini, M.N., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. Salmonella and Escherichia coli O157:H7 contamination on hides and carcasses of cull cattle presented for slaughter in the United States: an evaluation of prevalence and bacterial loads by immunomagnetic separation and direct plating methods. 2008. Applied and Environmental Microbiology 74(20):6289-6297.Comparison of effects of antimicrobial interventions on multidrug-resistant Salmonella, susceptible Salmonella, and Escherichia coli O157:H7

- (Peer Reviewed Journal)Arthur, T.M., Kalchayanand, N., Bosilevac, J.M., Harhay, D.M., Shackelford, S.D., Bono, J.L., Wheeler, T.L., Koohmaraie, M. 2008. Comparison of effects of antimicrobial interventions on multidrug-resistant Salmonella, susceptible Salmonella, and Escherichia coli O157:H7. Journal of Food Protection 71(11):2177-2181.Source tracking of Escherichia coli O157:H7 and Salmonella contamination in the lairage environment at commercial U.S. beef processing plants and identification of an effective intervention

- (Peer Reviewed Journal)Arthur, T.M., Bosilevac, J.M., Harhay, D.M., Kalchayanand, N., King, D.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2008. Source tracking of Escherichia coli O157:H7 and Salmonella contamination in the lairage environment at commercial U.S. beef processing plants and identification of an effective intervention. Journal of Food Protection. 71(9):1752-1760.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.Evaluation of various antimicrobial interventions for the reduction of Escherichia coli O157:H7 on bovine heads during processing

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Brichta-Harhay, D.M., Guerini, M.N., Wheeler, T.L., Koohmaraie, M. 2008. Evaluation of various antimicrobial interventions for the reduction of Escherichia coli O157:H7 on bovine heads during processing. Journal of Food Protection 71(3):621-624.Listeria prevalence and L. monocytogenes serovar diversity at cull cow/bull processing plants in the United States

- (Peer Reviewed Journal)Guerini, M.N., Harhay, D.M., Shackelford, S.D., Arthur, T.M., Bosilevac, J.M., Kalchayanand, N., Wheeler, T.L., Koohmaraie, M. 2007. Listeria prevalence and Listeria monocytogenes serovar diversity at cull cow and bull processing plants in the United States. Journal of Food Protection. 70(11):2578-2582.Microbiological characterization of lamb carcasses at commercial processing plants in the United States

- (Peer Reviewed Journal)Kalchayanand, N., Arthur, T.M., Bosilevac, J.M., Harhay, D.M., Guerini, M.N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2007. Microbiological characterization of lamb carcasses at commercial processing plants in the United States. Journal of Food Protection 70(8):1811-1819.Enumeration of Salmonella and Escherichia coli O157:H7 in Ground Beef, Cattle Carcass, Hide and Fecal Samples Using Direct Plating Methods

- (Peer Reviewed Journal)Harhay, D.M., Arthur, T.M., Bosilevac, J.M., Guerini, M.N., Kalchayanand, N., Koohmaraie, M. 2007. Enumeration of Salmonella and Escherichia coli O157:H7 in ground beef, cattle carcass, hide and faecal samples using direct plating methods. Journal of Applied Microbiology 103(5):1657-1668.Effects of a Minimal Hide Wash Cabinet on the Levels and Prevalence of Escherichia coli O157:H7 and Salmonella on the Hides of Beef Cattle at Slaughter

- (Peer Reviewed Journal)Arthur, T.M., Bosilevac, J.M., Brichta-Harhay, D.M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2007. Effects of a Minimal Hide Wash Cabinet on the Levels and Prevalence of Escherichia coli O157:H7 and Salmonella on the Hides of Beef Cattle at Slaughter. Journal of Food Protection 70:1076-1079.Transportation and lairage environment effects on prevalence, numbers, and diversity of Escherichia coli O157:H7 on hides and carcasses of beef cattle at processing

- (Peer Reviewed Journal)Arthur, T.M., Bosilevac, J.M., Harhay, D.M., Guerini, M.N., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2007. Transportation and lairage environment effects on prevalence, numbers, and diversity of Escherichia coli O157:H7 on hides and carcasses of beef cattle at processing. Journal of Food Protection 70(2):280-286.IMPROVEMENT OF IMMUNOMAGNETIC SEPARATION FOR ESCHERICHIA COLI O157:H7 DETECTION BY THE PICKPEN MAGNETIC PARTICLE SEPARATION DEVICE

- (Peer Reviewed Journal)Nou, X., Arthur, T.M., Bosilevac, J.M., Harhay, D.M., Guerini, M.N., Kalchayanand, N., Koohmaraie, M. 2006. Improvement of immunomagnetic separation for Escherichia coli O157:H7 detection by the pickpen magnetic particle separation device. Journal of Food Protection 69:2870-2874.
                    ARS News Articles
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                                                Studies Focus on Feed Ingredient's Effects on Levels of E. coli O157:H7 in Cattleitem
                                                Scientists Scrutinize Role of "Supershedder" Cattle in E. coli O157:H7 Contamination


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