Steven D Shackelford
Meat Safety & Quality Research
Research Food Technologist
Phone: (402) 762-4223
Fax: (402) 762-4149
U.S. MEAT ANIMAL RESEARCH CENTER
SPUR 18D CLAY CENTER, NE, 68933-0000
Holl, J.W., Rohrer, G.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2008. Estimates of genetic parameters for kyphosis in two crossbred swine populations. Journal of Animal Science. 86:1765-1769.
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.
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.
Spiehs, M.J., Ferrell, C.L., Nienaber, J.A., Brown Brandl, T.M., Shackelford, S.D. 2008. Heat production and efficiency of energy utilization in finishing steers fed diets containing wet distillers grains with solubles (WDGS)[abstract]. Journal of Animal Science 86(E-Suppl. 2)/Journal of Dairy Science 91(E-Suppl. 1):583.
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.
Casas, E., White, S.N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M., Bennett, G.L., Smith, T.P.L. 2007. Assessing the association of single nucleotide polymorphisms at the thyroglobulin gene with carcass traits in beef cattle. Journal of Animal Science. 85:2807-2814.
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.
Wheeler, T.L., Shackelford, S.D., Koohmaraie, M. 2007. Beef longissimus slice shear force measurement among steak locations and institutions. Journal of Animal Science 85:2283-2289.
Shackelford, S.D., Casas, E., Smith, T.P., Wheeler, T.L., Koohmaraie, M. 2007. The u-calpain and calpastatin tenderness markers are predictive of tenderness variation among samples obtained from commercial U.S. select beef carcasses. Proc. 60th Reciprocal Meat Conference, June 17-20, 2007, Brookings, SD.
http://www.meatscience.org/pubs/rmcarchv/2007/presentations/RMC_2007_060_4_073_Shackelford.pdf
King, D.A., Wheeler, T.L., Shackelford, S.D., Pfeiffer, K., Nickelson, R., Koohmaraie, M. 2007. Effect of blade tenderization, aging time and aging temperature on tenderness of beef longissimus lumborum and gluteus medius. Proc. 60th Reciprocal Meat Conference, June 17-20, 2007, Brookings, SD.
Available: http://www.meatscience.org/pubs/rmcarchv/2007/presentations/RMC_2007_060_4_019_King.pdf
Arthur, T.M., Bosilevac, J.M., Nou, X., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2007. Comparison of the molecular genotypes of Escherichia coli O157:H7 from the hides of beef cattle in different regions of North America. Journal of Food Protection. 70(7):1622-1626.
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.
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.
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.
White, S.N., Casas, E., Allan, M.F., Keele, J.W., Snelling, W.M., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M., Smith, T.P. 2007. Evaluation in beef cattle of six deoxyribonucleic acid markers developed for dairy traits reveals an osteopontin polymorphism associated with post-weaning growth. Journal of Animal Science. 85:1-10.
Leymaster, K.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2006. Breed effects on growth, carcass and meat quality traits of sheep. Proceedings of the British Society of Animal Science, New Developments in Sheepmeat Quality. p. 43-47.
King, D.A., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M. 2006. Contribution of postmortem proteolysis and sarcomere length to variation in beef gluteus medius and triceps brachii tenderness. Meeting Abstract. Proc. 59th Reciprocal Meat Conference, June 18-21, 2006, Champaign-Urbana, IL.
Available: http://www.meatscience.org/pubs/rmcarchv/2006/presentations/RMC06_Abstracts.pdf
Leymaster, K.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2006. Direct breed effects on growth, carcass, and meat quality traits of sheep. Proceedings of the 8th World Congress of Genetics Applied to Livestock Production. CD-ROM Communication No. 32-12. Belo Horizonte, Brazil.
Guerini, M.N., Arthur, T.M., Shackelford, S.D., Koohmaraie, M. 2006. Evaluation of Escherichia coli O157:H7 growth media for use in test-and-hold procedures for ground beef processing. Journal of Food Protection. 69(5):1007-1011.
Nonneman, D.J., Rohrer, G.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2005. Lack of association of calpastatin haplotypes with meat quality in a Duroc-Landrace swine resource population. Proc., Midwestern Section of the American Society of Animal Science. Abstract #38. p. 9.
Casas, E., White, S.N., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M., Riley, D.G., Chase, C.C., Johnson, D.D., Smith, T.P. 2006. Testing for interactions between Calpastatin and u-Calpain markers in beef cattle on tenderness traits [abstract]. Midwestern Section of the American Society of Animal Science. 84(Suppl. 2):135. Paper No. 329.
Leymaster, K.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2005. Evaluation of wool and hair breeds for growth, carcass, and meat quality traits. In: Proceedings of the North American Hair Sheep Symposium, October 6-8, 2005, San Angelo, TX. 2005 CDROM.
Rohrer, G.A., Thallman, R.M., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2005. A genome scan for loci affecting pork quality in a Duroc-Landrace F2 population. Animal Genetics. 37:17-27.
Stone, R.T., Casas, E., Smith, T.P.L., Keele, J.W., Harhay, G.P., Bennett, G.L., Koohmaraie, M., Wheeler, T.L., Shackelford, S.D., Snelling, W.M. 2005. Identification of genetic markers for fat deposition and meat tenderness on bovine chromosome 5: Development of a low-density single nucleotide polymorphism map. Journal of Animal Science. 83:2280-2288.
White, S.N., Casas, E., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M., Riley, D.G., Chase, C.C., Johnson, D.D., Keele, J.W., Smith, T.P. 2005. A new snp in capn1 extends the current tenderness marker test to include cattle of bos indicus, bos taurus, and crossbred descent. Journal of Animal Science. 83:2001-2008.
Bosilevac, J.M., Shackelford, S.D., Brichta, D.M., Koohmaraie, M. 2005. Efficacy of ozonated and electrolyzed oxidative waters to decontaminate hides of cattle before slaughter. Journal of Food Protection. 68:1393-1398.
White, S.N., Casas, E., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M., Riley, D.G., Chase, C.C., Johnson, D.D., Keele, J.W., Smith, T.P. 2005. A new snp marker in capn1 is associated with tenderness in cattle of indicine, taurine, and admixed descent. Proc., Plant & Animal Genome XIII, San Diego, CA. P528. p. 203. 2005.
Page, B.T., Casas, E., Quaas, R.L., Thallman, R.M., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M., White, S.N., Bennett, G.L., Keele, J.W., Dikeman, M.E., Smith, T.P. Association of markers in the bovine capn1 gene with meat tenderness in large crossbred populations that sample influential industry sires. Journal of Animal Science. 82:3474-3481. 2004.
Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2005. On-line classification of US select beef carcasses for longissimus tenderness using visible and near-infrared reflectance spectroscopy. Meat Science. 69:409-415.
Veiseth, E., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2004. Factors regulating lamb longissimus tenderness are affected by age at slaughter. Meat Science. 68:635-640.
Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2004. Development of optimal protocol for visible and near-infrared reflectance spectroscopic evaluation of meat quality. Meat Science. 68:371-381.
Veiseth, E., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2004. Indicators of tenderization are detectable by 12 h postmortem in ovine longissimus. Journal of Animal Science. 82:1428-1436.
White, S.N., Page, B.T., Casas, E., Koohmaraie, M., Wheeler, T.L., Shackelford, S.D., Keele, J.W., Smith, T.P. 2004. Association of CAPN1 markers with beef tenderness in crossbred, multibreed populations. Proc.,Plant and Animal Genome Abstracts. P644. p. 232.
Gallagher, G.A., Arthur, T.M., Rivera Betancourt, M., Nou, X., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2004. Characterization of O157:H7 and other Escherichia coli isolates recovered from cattle hides, feces, and carcasses. Journal of Food Protection. 67(5):993-998.
Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2004. Evaluation of sampling, cookery, and shear force protocols for objective evaluation of lamb longissimus tenderness. Journal of Animal Science. 82:802-807.
SMITH, T.P., THALLMAN, R.M., CASAS, E., SHACKELFORD, S.D., WHEELER, T.L., KOOHMARAIE, M. 2003. THEORY AND APPLICATION OF GENOME-BASED APPROACHES TO IMPROVE QUALITY AND VALUE OF BEEF. OUTLOOK IN AGRICULTURE. 32(4):253-265. 2003.
Bosilevac, J.M., Arthur, T.M., Wheeler, T.L., Shackelford, S.D., Rossman, M., Reagan, J.O., Koohmaraie, M. 2004. Prevalence of Escherichia coli O157 and levels of aerobic bacteria and Enterobacteriaceae are reduced when hides are washed and treated with cetylpyridinium chloride at a commercial beef processing plant. Journal of Food Protection. 67(4):646-650.
Rhee, M., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M. 2004. Variation in palatability and biochemical traits within and among eleven beef muscles. Journal of Animal Science. 82:534-550.
CASAS, E., KEELE, J.W., SHACKELFORD, S.D., KOOHMARAIE, M., STONE, R.T. IDENTIFICATION OF QUANTITATIVE TRAIT LOCI FOR GROWTH AND CARCASS COMPOSITION IN CATTLE. ANIMAL GENETICS. 2004. 35:2-6.
Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2004. Technical note: use of belt grill cookery and slice shear force for assessment of pork longissimus tenderness. Journal of Animal Science. 82:238-241.
Wheeler, T.L., Shackelford, S.D., Koohmaraie, M. 2004. The accuracy and repeatability of untrained laboratory consumer panelists in detecting differences in beef longissimus tenderness. Journal of Animal Science. 82:557-562.
Rivera Betancourt, M., Shackelford, S.D., Arthur, T.M., Westmoreland, K.E., Bellinger, G., Rossman, M., Reagan, J.O., Koohmaraie, M. 2004. Prevalence of Escherichia coli O157:H7, Listeria monocytogenes, and Salmonella in two geographically distant commercial beef processing plants in the United States. Journal of Food Protection. 67:295-302.
CASAS, E., SHACKELFORD, S.D., KEELE, J.W., KOOHMARAIE, M., SMITH, T.P., STONE, R.T. DETECTION OF QUANTITATIVE TRAIT LOCI FOR GROWTH AND CARCASS COMPOSITION IN CATTLE. 2003. JOURNAL OF ANIMAL SCIENCE. 81:2976-2983.
Bosilevac, J.M., Wheeler, T.L., Rivera-Betancourt, M., Nou, X., Arthur, T.M., Shackelford, S.D., Kent, M.P., Jaroni, D., Osborn, M.S., Rossman, M., Reagan, J.O., Koohmaraie, M. 2004. Protocol for evaluating the efficacy of cetylpyridinium chloride as a beef hide intervention. Journal of Food Protection. 67(2):303-309.
Shackelford, S.D., Leymaster, K.A., Wheeler, T.L., Koohmaraie, M. 2003. Effects of breed of sire on carcass composition and sensory traits of lamb [abstract]. American Meat Science Association Conference Reciprocal Proceedings. 56:112.
Wheeler, T.L., Shackelford, S.D., Cundiff, L.V., Koohmaraie, M. 2003. Carcass, yield, and palatability traits of steer progeny of Hereford, Angus, Brangus, Beefmaster, Bonsmara, and Romosinuano sires [abstract]. American Meat Science Association Conference Reciprocal Proceedings. 56:113.
Gallagher, G.A., Arthur, T.M., Rivera-Betancourt, M., Nou, X., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2003. Seasonal prevalence of Shiga toxin-producing Escherichia coli, including O157:H7 and non-O157 serotypes, and Salmonella in commercial beef processing plants. Journal of Food Protection. 66(11):1978-1986.
Nou, X., Rivera-Betancourt, M., Bosilevac, J.M., Wheeler, T.L., Shackelford, S.D., Gwartney, B.L., Reagan, J.O., Koohmaraie, M. 2003. Effect of chemical dehairing on the prevalence of Escherichia coli O157:H7 and the levels of aerobic bacteria and Enterobacteriaceae on carcasses in a commercial beef processing plant. Journal of Food Protection. 66(11):2005-2009.
CASAS, E., SHACKELFORD, S.D., KEELE, J.W., STONE, R.T., KOOHMARAIE, M. QUANTITATIVE TRAIT LOCI FOR RETAIL PRODUCT YIELD AND MARBLING SCORE ON BOVINE CHROMOSOME 9. John M. Airy Beef Cattle Symposium: Visions for Genetics and
Breeding. 2003. P. 128.
Cundiff, L.V., Wheeler, T.L., Shackelford, S.D., Koohmaraie, M. 2004. Feed efficiency of F1 cross steers by British and Continental European sire breeds [abstract]. Midwestern Section of the American Society of Animal Science 82(2):38.
Wheeler, T.L., Vote, D., Leheska, J.M., Shackelford, S.D., Belk, K.E., Wulf, D.M., Gwartney, B.L., Koohmaraie, M. 2002. The efficacy of three objective systems for identifying beef cuts that can be guaranteed tender. Journal of Animal Science. 80:3315-3327.
PARK, B., CHEN, Y.R., HRUSCHKA, W.R., SHACKELFORD, S.D., KOOHMARAIE, M. PRINCIPAL COMPONENT REGRESSION OF NEAR-INFRARED REFLECTANCE SPECTRA FOR BEEF TENDERNESS PREDICTION. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 43(3):609-615. 2001.