Education
- Ph.D., Michigan State University, 1988
- M.S., Texas Tech University, 1984
- B.S., Penn State University, 1982
Research
Interests
- Energy and
protein nutrition of sows
- Management of reproducing sows
- Nutrition/environment
interactions
- Nutrition of the newly weaned pigs
- Feedstuff evaluation
- Gilt development
Outreach Programs
- Operation Mainstreet
- Training employees for modern pork production
- Use of alternative pork production systems
- National Swine Nutrition Guide
- PQAPlus State Training Team
- Minnesota
Nutrition Conference
- Agricultural
awareness for non-farm citizens
- SowBridge
Awards
- Outstanding Graduate Faculty Award, 2008. Awarded by the Animal Science Graduate Club.
- 2008 Innovation Award in the Science category sponsored by the National Pork Board. Xu, G., S.K. Baidoo, L.J. Johnston, J.E. Cannon, D. Bibus, and G.C. Shurson. 2008. Effects of dietary corn dried distillers grains with soluble (DDGS) and DDGS withdrawal intervals on pig growth performance, carcass traits, and fat quality. J. Anim. Sci. Midwest Section Abstr. No. 161.
- 2007 Honorary Chapter FFA Degree awarded by the Morris Area FFA Chapter.
- 2004 Innovation
Award in the Outreach category sponsored by the National Pork
Board. Pohl, S., R. Thaler, M. Brumm, R. Stowell, J. Harmon,
D. Stender, J. Weiss, L. Johnston, and L. Jacobson. 2004.
Use of a mobile ventilation laboratory (VL) for hands-on training
of pork producers in building ventilation. J. Anim. Sci. 82(Suppl. 2):46 (Abstr.).
- Outstanding
Graduate Faculty Award, 2003. Awarded by Animal Science Graduate
Club.
- Honorable
Mention Paper Award from American Society of Agricultural
Engineers, awarded in 2004. Johnston, L.J., C.J. Clanton,
C. Ajariyakhajorn, and S.M. Goyal. 2003. Survival of pathogenic
indicator organisms in started swine manure containing ground
piglet carcasses during cold temperatures. Appl. Eng. Ag.
19(4): 491-497.
- 2002 Innovation
Award in the Outreach category sponsored by the National Pork
Board. Johnston, L.J., and J.A. Sterle. 2002. Use of a hands-on
workshop to teach swine reproductive management to farrowing
barn workers. J. Anim. Sci. 80(Suppl. 2):48(Abstr.).
Affiliations
Publications (2007-2011)
- Refereed Articles -
Dahlen, R.B.A., S.K. Baidoo, G.C. Shurson, J.E. Anderson, C.R. Dahlen, and L.J. Johnston. 2011. Assessment of energy content of low-solubles corn distillers dried grains and effects on growth performance, carcass characteristics, and pork fat quality in growing-finishing pigs. J. Anim. Sci. Published ahead of print May 13, 2011, doi:10.2527/jas.2010-3342.
Li, Y.Z., S.K. Baidoo, L.J. Johnston, and J.E. Anderson. 2011. Effects of tryptophan supplementation on aggression among group-housed gestating sows. J. Anim Sci. 89:1899-1907.
Li, Y.Z., L.J. Johnston, and A.M. Hilbrands. 2010. Pre-weaning mortality of piglets in a bedded, group-farrowing system. J. Swine Health and Prod. 18(2):75-80.
Schieck, S.J., B.J. Kerr, S.K. Baidoo, G.C. Shurson, and L.J. Johnston. 2010. Use of crude glycerol, a biodiesel coproduct, in diets for lactating sows . J. Anim. Sci. 88:2648-2656.
Schieck, S.J., G.C. Shurson, B.J. Kerr, and L.J. Johnston. 2010. Evaluation of glycerol, a biodiesel coproduct, in grow-finish pig diets to support growth and pork quality . J. Anim. Sci. 88:3927-3935.
Song, M., S.K. Baidoo, G.C. Shurson, M.H. Whitney, L.J. Johnston, and D.D. Gallaher. 2010. Dietary effects of distillers dried grains with solubles on performance and milk composition of lactating sows . J. Anim. Sci. 88:3313-3319.
Xu, G., S.K. Baidoo, L.J. Johnston, D. Bibus, J.E. Cannon, and G.C. Shurson. 2010. The effects of feeding diets containing corn distillers dried grains with solubles, and withdrawal period of distillers dried grains with solubles, on growth performance and pork quality in grower-finisher pigs. J. Anim. Sci. 88:1388-1397.
Xu, G., S.K. Baidoo, L.J. Johnston, D. Bibus, J.E. Cannon, and G.C. Shurson. 2010. Effects of feeding diets containing increasing content of corn distillers dried grains with solubles to grower-finisher pigs on growth performance, carcass composition, and pork fat quality. J. Anim. Sci. 88:1398-1410.
Johnston, L.J., J. Goihl, and G.C. Shurson. 2009. Selected additives did not improve flowability of DDGS in commercial systems. Appl. Eng. Agric. 25:75-82.
Li, Y.Z., and L.J. Johnston. 2009. Behavior and performance of pigs previously housed in large groups. J. Anim. Sci. 87:1472-1478.
Moncrief, J.F., L.J. Johnston, and M.J. Spiehs. 2009. The effect of swine manure source and method of application on runoff losses of nitrogen, phosphorus, and sediment. J. Environ. Monitoring Restoration 6:139-146.
Xu, G., S.K. Baidoo, L.J. Johnston, D. Bibus, J.E. Cannon, and G.C. Shurson. 2009. Effects of feeding diets containing increasing levels of corn distillers dried grains with solubles (DDGS) to grower-finisher pigs on growth performance, carcass composition, and pork fat quality. J. Anim. Sci. doi:10.2527/jas.2008-1404.
Xu, G., S.K. Baidoo, L.J. Johnston, D. Bibus, J.E. Cannon, and G.C. Shurson. 2009. The effects of feeding diets containing corn distillers dried grains with solubles (DDGS), and DDGS withdrawal period, on growth performance and pork quality in grower-finisher pigs. J. Anim. Sci. doi:10.2527/jas.2008-1403.
Renteria-Flores, J.A., L.J. Johnston, G.C. Shurson, and D.D. Gallaher. 2008. Effect of soluble and insoluble fiber on energy digestibility, nitrogen retention, and fiber digestibility of diets fed to gestating sows. J. Anim. Sci. 86:2568-2575.
Renteria-Flores, J.A., L.J. Johnston, G.C. Shurson, R.L. Moser, and S.K. Webel. 2008. Effect of soluble and insoluble dietary fiber on embryo survival and sow performance. J. Anim. Sci. 86:2576-2584.
Spiehs, M.J., G.C. Shurson, and L.J. Johnston. 2008. Evaluation of two direct fed microbials on the ability of pigs to resist an infection from Salmonella enterica subtype Typhimurium. Swine Health and Prod. 16 (1):27-36.
Johnston, L.J., C. Bennett, E. Keetelaar, and R.J. Smits. 2007. Injectable progesterone does not reduce mid to late pregnancy failure of sows during seasonal infertility. Manipulating Pig Production XI. Eds. J.E. Paterson and J.A. Barker, Australasian Pig Sci. Assoc. p. 52.
Johnston, L.J., C. Bennett, R.J. Smits, and K. Shaw. 2007. Identifying the relationship of gilt rearing characteristics to lifetime sow productivity. Manipulating Pig Production XI. Eds. J.E. Paterson and J.A. Barker, Australasian Pig Sci. Assoc. p. 39.
Morrison, R.S., L.J. Johnston, and A.M. Hilbrands. 2007. A note on the effects of two versus one feeder locations on the feeding behaviour and growth performance of pigs in a deep-litter, large group housing system. Appl. Anim. Behav. Sci. 107:157-161.
Morrison, R.S., L.J. Johnston, and A.M. Hilbrands. 2007. The behaviour, welfare, growth performance and meat quality of pigs housed in a deep-litter, large group system compared to a conventional confinement system. Appl. Anim. Behav. Sci. 103:12-24.
- Invited Papers, Conference Proceedings, Research Reports -
Shurson, J., L. Johnston, S. Baidoo, and M. Whitney. 2009. What we know about feeding DDGS (Dried Distillers Grains with Solubles) to swine. Proc., Allen D. Leman Conf. pp. 143-151.
Johnston, L.J., S. Schieck, J. Shurson, S. Baidoo, and B. Kerr. 2008. Feeding crude glycerol to lactating sows. Proc., 69th Minnesota Nutrition Conf. p. 30.
Johnston, L.J., S. Schieck, J. Shurson, S. Baidoo, and B. Kerr. 2008. Use of crude glycerol in grower-finisher and sow diets. Proc., Allen D. Leman Swine Conf. pp. 152-156.
Johnston, L.J., J. Shurson, and M. Whitney. 2008. Nutritional effects on fetal imprinting in swine. Proc., 69th Minnesota Nutrition Conf. pp. 207-222.
Johnston, L.J. and R.J. Smits. 2008. Efficiency of sow herd feeding: Getting the most out of your gilts. Kansas State Univ.-Univ. of Minnesota Nutrition Workshop, Allen D. Leman Swine Conf. pp. 28-39.
Renteria-Flores, J.A. and L.J. Johnston. 2008. Use of fiber in gestating sow diets. Proc., Colegio Latinoamericano de Nutricion Animal, III Congreso Clana. Cancun, Mexico. pp. 15-32.
Shurson, J., L. Johnston, S. Baidoo, and M. Whitney. 2008. Use of dried distillers grains with solubles (DDGS) in swine diets. Proc., Allen D. Leman Conf. pp. 144-151.
Johnston, L.J. 2007. Nutrition of the developing gilt for optimal lifetime productivity. 13th DISCOVER Conference on Food Animal Agriculture: Sow Productive Lifetime. Nashville, IN.
- Abstracts -
Hilbrands, A.M., L.J. Johnston, G.C. Shurson, S.K. Baidoo, and L.W.O. Souza. 2011. Effects of diet change and digestibility of corn distillers dried grains with solubles (DDGS) on growth performance and carcass characteristics of growing-finishing pigs. Presented at 2011 Midwest ASAS Mtg.
LaBerge, R.J., K.M. McClelland, A.M. Hilbrands, L.J. Johnston, G.C. Shurson, P. Nelson, T.J. McNamara, and R.B. Cox. 2011. Effect of intermittent feeding of diets containing 40% corn dried distillers grains with solubles (DDGS) to growing-finishing pigs on bacon yield and quality. Presented at 2011 Midwest ASAS Mtg.
Li, Y.Z., J.E. Anderson, and L.J. Johnston. 2011. Animal-related factors affecting piglet mortality in loose farrowing systems. Presented at 2011 Midwest ASAS Mtg.
Li, X.J., S.K. Baidoo, G.C. Shurson, and L.J. Johnston. 2011. Effects of corn dried distillers grains with solubles (DDGS) on diet digestibility and slurry output from gestating sows. Presented at 2011 Midwest ASAS Mtg.
Pomerenke, J.M., G.C. Shurson, S.K. Baidoo, and L.J. Johnston. 2011. Effects of dietary tallow and DDGS on pork fat quality. Presented at 2011 Midwest ASAS Mtg.
Pomerenke, J.M., G.C. Shurson, S.K. Baidoo, and L.J. Johnston. 2011. Effects of tallow and DDGS on pig performance and carcass characteristics. Presented at 2011 Midwest ASAS Mtg.
Phillips, C.E., Y.Z. Li, J.E. Anderson, L.J. Johnston, G.C. Shurson, and J. Deen. 2011. Assessment of sow fear, parity and season on piglet mortality in loose farrowing systems. Presented at 2011 Midwest ASAS Mtg.
Li, Y.Z., J.E. Anderson, and L.J. Johnston. 2010. Effect of parity on pre-weaning mortality and growth performance of piglets in a bedded, group-farrowing system. J. Anim. Sci. 88(E-Suppl. 3):45 (Abstr.).
Li, Y.Z., S.K. Baidoo, L.J. Johnston, and J.E. Anderson. 2010. Effects of tryptophan supplementation on aggression among group-housed gestating sows. Proc., 71st Minnesota Nutrition Conf. p. 43.
Li, Y.Z., L.J. Johnston, and J.E. Anderson. 2010. Effect of lactation housing on growth performance of pigs. J. Anim. Sci. 88(E-Suppl. 3):49 (Abstr.).
Li, Y.Z., C.E. Phillips, S.K. Baidoo, and L.J. Johnston. 2010. Controlling aggression among gestating sows. J. Anim. Sci. 88(E-Suppl. 3):49 (Abstr.).
Pomerenke, J.M., G.C. Shurson, S.K. Baidoo, and L.J. Johnston. 2010. Tallow and DDGS effets on pig performance and carcass quality. Proc., 71st Minnesota Nutrition Conf. p. 51.
Amaral, R.B., L.J. Johnston, J.E. Anderson, S.K. Baidoo, and G.C. Shurson. 2009. Effects of low-solubles distiller′s dried grains (LS-DDG) in diets for growing-finishing pigs: Carcass characteristics and pork fat quality. J. Anim. Sci. 87 (E-Suppl. 3):73.
Amaral, R.B., L.J. Johnston, J.E. Anderson, S.K. Baidoo, and G.C. Shurson. 2009. Effects of low-solubles distiller′s dried grains (LS-DDG) in diets for growing-finishing pigs: Energy content and pig growth performance. J. Anim. Sci. 87 (E-Suppl. 3):80.
Drescher, A.J., S.K. Baidoo, L.J. Johnston, and G.C. Shurson. 2009. Effect of distillers' dried grains with solubles (DDGS) source on growth performance and carcass characteristics of growing-finishing pigs. J. Anim. Sci. 87 (E-Suppl. 3):80.
Hilbrands, A.M., L.J. Johnston, G.C. Shurson, and I. Kim. 2009. Influence of rapid introduction and removal of dietary corn distillers dried grains with solubles (DDGS) on pig performance and carcass characteristics. J. Anim. Sci. 87 (E-Suppl. 3):82.
Li, Y.Z., J.E. Anderson, and L.J. Johnston. 2009. Effect of parity on pre-weaning mortality and growth performance of piglets in a bedded, group-farrowing system. Abstract accepted for presentation at the 2010 Midwest ASAS meeting.
Li, Y.Z., L.J. Johnston, and J.E. Anderson. 2009. Effect of lactation housing on growth performance of pigs. Abstract accepted for presentation at the 2010 Midwest ASAS meeting.
Li, Y.Z. , C.E. Phillips, S.K. Baidoo, and L.J. Johnston. 2009. Controlling aggression among gestating sows. Abstract accepted for presentation at the 2010 Midwest ASAS meeting (also presented at the 2009 Leman Conf.).
Rozeboom, D.W., R.D. Goodband, K.J. Stalder, and NCERA-89 Committee on Swine Management. 2009. Effects of decreasing or increasing sow feed intake prior to farrowing on lactation performance. J. Anim. Sci. 87 (E-Suppl. 3):96.
Schieck, S.J., L.J. Johnston, B.J. Kerr, S.K. Baidoo, and G.C. Shurson. 2009. Use of crude glycerol, a biodiesel co-product, in diets for lactating sows. J. Anim. Sci. 87 (E-Suppl. 3):63.
Schieck, S.J., L.J. Johnston, G.C. Shurson, and B.J. Kerr. 2009. Evaluation of crude glycerol, a biodiesel co-product, in growing pig diets to support growth and improve pork quality. J. Anim. Sci. 87 (E-Suppl. 3):90.
Shurson, J., R. Song, P. Davies, and L. Johnston. 2009. Growth performance, carcass characteristics, physiological and gut health effects of feeding diets containing BMD to heat stressed finishing pigs. Presented at the MN Nutrition Conf., Sept. 15, Owatonna, MN.
Thaler, R.C., L.J. Johnston, M.C. Brumm, M.S. Carlson-Shannon, and NCERA-89 Committee on Swine Management. 2009. Effect of reduced nocturnal temperature for early-weaned pigs on performance and energy consumption. J. Anim. Sci. 87 (E-Suppl. 3):60.
Drescher, A.J., L.J. Johnston, G.C. Shurson, and J. Goihl. 2008. Use of 20% dried distillers grains with solubles (DDGS) and high amounts of synthetic amino acids to replace soybean meal in grower-finisher swine diets. J. Anim. Sci. 86(e-Suppl. 3):28. (Abstr. 88).
Johnston, L.J., A.M. Hilbrands, G.C. Shurson, and J. Goihl. 2008. Selected additives do not improve flowability of dried distillers grains with soluble (DDGS) in commercial systems. J. Anim. Sci. 86(e-Suppl. 3):54 (Abstr. 166).
Xu, G., S.K. Baidoo, L.J. Johnston, J.E. Cannon, D. Bibus, and G.C. Shurson. 2008. Effects of adding increasing levels of corn dried distillers grains with solubles (DDGS) to corn-soybean meal diets on pork fat quality of growing-finishing pigs. J. Anim. Sci. 86(e-Suppl. 3):51 (Abstr. 158).
Xu, G., S.K. Baidoo, L.J. Johnston, J.E. Cannon, D. Bibus, and G.C. Shurson. 2008. Effects of dietary corn dried distillers grains with soluble (DDGS) and DDGS withdrawal intervals on pig growth performance, carcass traits, and fat quality. J. Anim. Sci. 86(e-Suppl. 3):52 (Abstr. 161).
Li, Y.Z. and L.J. Johnston. 2007. Effects of familiarity and weight variation on aggression among grow-finish pigs following re-grouping. J. Anim. Sci. 85(Suppl. 2):49(Abstr.).
Song, M., S.K. Baidoo, G.C. Shurson, and L.J. Johnston. 2007. Use of dried distillers grains with solubles in diets for lactating sows. J. Anim. Sci. 85(Suppl. 2):97(Abstr.).
Song, M., S.K. Baidoo, M.H. Whitney, G.C. Shurson, and L.J. Johnston. 2007. Effects of dietary dried distillers grains with solubles on energy and nitrogen balance, and milk composition of lactating sows. J. Anim. Sci. 85(Suppl. 2):100 (Abstr.).
Urriola, P.E., D. Hoehler, C. Pedersen, H.H. Stein, L.J. Johnston, and G.C. Shurson. 2007. Determination of amino acid digestibility of corn, sorghum, and a corn-sorghum blend of dried distillers grains with solubles in growing pigs. J. Anim. Sci. 85(Suppl. 2):113(Abstr.).
Urriola, P.E., D. Hoehler, C. Pedersen, H.H. Stein, L.J. Johnston, and G.C. Shurson. 2007. Prediction of in vivo amino acid digestibility in dried distillers grains with solubles (DDGS) from crude protein, optical density and fluorescence. J. Anim. Sci. 85(Suppl. 2):72(Abstr.).
Urriola, P.E., D. Hoehler, C. Pedersen, H.H. Stein, L.J. Johnston, and G.C. Shurson. 2007. Prediction of in vivo amino acid digestibility of dried distillers grains with solubles (DDGS) from selected physical and chemical characteristics. J. Anim. Sci. 85(Suppl. 2):114(Abstr.).
Xu, G., S.K. Baidoo, L.J. Johnston, J.E. Cannon, and G.C. Shurson. 2007. Effects of adding increasing levels of corn dried distillers grains with solubles (DDGS) to corn-soybean meal diets on growth performance and pork quality of growing-finishing pigs. J. Anim. Sci. 85(Suppl. 2):76(Abstr.).
- Extension Publications -
Johnston, L.J. 2010. Gestating swine nutrient recommendations and feeding management. PIG 07-01-11. National Swine Nutrition Guide, U.S. Pork Center of Excellence, pp. 108-122.
Reese, D.E., J.M. DeRouchey, E. Van Heugten, L. Johnston, M.H. Whitney, and G. Dahlke. 2010. Example diets for swine. PIG 07-01-15. National Swine Nutrition Guide, U.S. Pork Center of Excellence, pp. 150-158.
Shurson, J., M.H. Whitney, and L. Johnston. 2010. Diet and health interactions in swine. PIG 07-01-16. National Swine Nutrition Guide, U.S. Pork Center of Excellence, pp. 159-172.
Whitney, M.H., J. Shurson, L. Johnston, B. Koehler, R. Hadad, and D. Koehler. 2010. Feeding for niche swine production. PIG 07-07-01. National Swine Nutrition Guide, U.S. Pork Center of Excellence, pp. 262-277.
- Popular Press -
Hilbrands, A.M., L.J. Johnston, G.C. Shurson, L.W.O. Souza, and S. Baidoo. 2010. Rapid inclusion of 40% DDGS reduces overall feed costs. Annual Research Review, National Hog Farmer, Dec. 22.
Johnston, L.J. 2010. Estimating the carbon footprint of pork production in the U.S. Pork Professor column in The Land magazine, Oct. 29.
Johnston, L.J. 2010. Can we improve nutritive value of DDGS for swine? WCROC Newsletter, Sep. 28.
Li, Y.Z., J.E. Anderson, L.J. Johnston, and A.M. Hilbrands. 2010. Effect of parity on pre-weaning mortality and growth performance of piglets in a bedded, group-farrowing system. Morris Sun Tribune Ag. Supplement. March.
Johnston, L.J., B. Thaler, M. Brumm, and M. Shannon. 2010. Reducing energy consumption in swine nurseries. Morris Sun Tribune Ag. Supplement. March.
Johnston, L., J. Anderson, R. Amaral, J. Shurson, and S. Baidoo. 2009. Low-solubles DDG diets improve fat firmness. Annual Research Review, National Hog Farmer, Dec. 15.
Johnston, L.J. 2007. Feeding them right. National Hog Farmer Blueprint Series "Focus of Fertility". Oct. 15, 2007, pp. 36-44.
Shurson, J., L. Johnston, and J. Goihl. 2007. Do selected flow agents improve DDGS flowability in commercial systems? Distillers Grains Quarterly, 3rd Quarter, pp. 22-25.
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