Eicher, S.D., Lay Jr, D.C., Arthington, J.D., Schutz, M.M. 2013. Rubber flooring for first through second lactation cows on production, locomotion, hoof health, immune functions, and stress. Journal of Dairy Science. 96:1-13.
Marchant Forde, J.N., Lay Jr, D.C., Marchant-Forde, R.M., Mcmunn, K.A., Richert, B.T. 2012. The effects of R-salbutamol on growth, carcass measures and health of finishing pigs. Journal of Animal Science. 90:1-9.
Deboer, S.P., Garner, J.P., Lay Jr, D.C., Eicher, S.D., Lucas, J.R., Marchant Forde, J.N. 2013. Does the presence of a human effect the preference of enrichment items in young isolated pigs?. Applied Animal Behaviour Science. 143:96-103.
Kanaan, V.T., Lay Jr, D.C., Richert, B.T., Pajor, E.A. 2012. Increasing the frequency of co-mingling piglets during the lactation period alters the development of social behavior before and after weaning. Applied Animal Behaviour Science. 15(2):163-180.
Rostagno, M.H., Lay Jr, D.C. 2011. Effect of transportation and mixing with unfamiliar pig on Salmonella susceptibility in market weight pigs. In: Proceedings of the 9th International conference on the Epidemiology and Control of Biological, Chemical and Physical Hazards in Pigs and Pork, Maastricht, The Netherlands: p. 306-309.
Poletto, R., Janczak, A.M., Marchant-Forde, R.M., Marchant Forde, J.N., Matthews, D.L., Dowell, C.A., Hogan, D.F., Freeman, L.J., Lay Jr, D.C. 2011. Identification of low and high frequency ranges for heart rate variability and blood pressure variability analyses using pharmacological autonomic blockade with atropine and propranolol in swine. Physiology and Behavior. 103(2):188-196.
Eicher, S.D., Lay Jr, D.C., Arthington, J.D., Schutz, M.M. 2010. Rubber Flooring Impact on Health of Dairy Cows. In: Proceedings American Society of Animal Science, July 11-15, 2010, Denver, Colorado. CDROM.
Rostagno, M.H., Eicher, S.D., Lay Jr, D.C. 2010. Does Pre-Slaughter Stress Affect Pork Safety [abstract]?. In: Proceedings of the 21st International Pig Veterinary Society (IPVS)Congress, July 18-21, 2010, Vancouver, Canada. p. 176.
Moulton, K., Ryan, P., Lay Jr, D.C., Willarad, S. 2009. Photonic Plasmid Stability of Transformed Salmonella Typhimurium: A Comparison of Three Unique Plasmids. BMC Microbiology. 9:152-159.
Moulton, K., Ryan, P., Lay Jr, D.C., Willard, S. 2009. Postmortem Photonic Imaging of Lux-Modified Salmonella Typhimuium Within the Gastrointestinal Tract of Swine Following Oral Inoculation In Vivo. Journal of Animal Science 87:2239-2244.
Cheng, H., Lay Jr, D.C., Marchant-Forde, R., Pajor, E. 2008. Effects of alternatives of molting on bird well-being [abstract]. Poultry Science. p. 129.
Bearson, B.L., Bearson, S.M., Uthe, J., Houghton, J., Dowd, S.E., Lee, I., Toscano, M.J., Lay Jr, D.C. 2008. Iron regulated genes of Salmonella enterica serovar Typhimurium in response to norepinephrine and the requirement of fepCDG for norepinephrine-enhanced growth. Microbes and Infection. 10(7):807-816.
Marchant Forde, J.N., Garner, J.P., Schenck, E.L., Johnson, A.K., Lay, Jr, D.C. 2008. The social behavior carried out by unacquainted sows on mixing may predict the likelihood of escalation into aggression [abstract]. Journal of Animal Science. 86(E.Suppl2):352.
Janczak, A.M., Marchant-Forde, R.M., Marchant Forde, J.N., Hogan, D., Matthews, D.L., Dowel, C., Freeman, L.J., Lay Jr, D.C. 2008. The value of telemetry for measuring effects of snaring and saline injection on heart rate variability in pigs [abstract]. In: Boyle, L., O'Connell, N., Hanlon, A., editors. Proceedings of the 42nd International Congress of the International Society of Applied Ethology, August 5-9, 2008, Dublin, Ireland. p. 194.
Schenck, E.L., McMunn, K.A., Nielsen, B.D., Richert, B.T., Marchant Forde, J.N., Lay Jr, D.C. 2007. The Effects of Exercise on Production, Interbirth Intervals, and Lying Behaviors in Gestating Stall-Housed Gilts. In: (Eds. F. galindo and L. Avarez). Proceedings of the 41st International Congress of the International Society of Applied Ethology. p. 61.
Moulton, K., Ryan, P., Youngblood, R., Mcgee, M., Laird, S., Harris, A., Moore, D., Kim, I., Lay Jr, D.C., Willard, S. 2007. Evaluation of Photonic Imaging in the Gastrointestinal Tract of Swine Following Oral Inoculation With Lux-Modified Salmonella typhimurium. Journal of Animal Science. 85(1):245.
Kanaan, V.T., Lay Jr, D.C., Richert, B.T., Garner, J.P., Pajor, E.A. 2008. A note on the effects of co-mingling piglet litters on pre-weaning growth, injuries and responses to beavioural tests. Applied Animal Behaviour Science. Volumbe 110, Issues 3-4, April 2008. p. 386-391.
Schenck, E.L., Mcmunn, K.A., Rosenstein, D., Nielsen, B.D., Richert, B.T., Marchant Forde, J.N., Lay Jr, D.C. 2007. Exercise increases bone density in the joints and limbs of gestating stall-housed gilts. Journal of Animal Science. 85(1):364.
Koch, J.M., Lay Jr, D.C., Mcmunn, K.A., Moritz, J.S., Wilson, M.E. Motivation of hens to obtain feed during a molt induced by either feed withdrawal, wheat middlings or melengestrol acetate. Poultry Science. 86:614-620.
Toscano, M.J., Stabel, T.J., Bearson, S.M., Bearson, B.L., Lay Jr, D.C. 2007. Cultivation of Salmonella enterica seovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine. Journal of Experimental Animal Science. 43(4):329-338.
Toscano, M.J., Stabel, T.J., Bearson, S.M., Bearson, B.L., Lay Jr, D.C. 2007. Cultivation of Salmonella enterica serovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine. Journal of Experimental Animal Science. 43(4):329-338.
Toscano, M.J., Lay Jr, D.C., Craig, B.C., Pajor, E.A. 2007. Assessing the adaptation of swine to 57 hours of feed deprivation in terms of behavioral and physiological responses. Journal of Animal Science. 85:441-451.
Toscano, M.J., Schenck, E.L., Dufour, B., Thogerson, C., Lay Jr, D.C., Craig, B.C., Pajor, E.A. 2006. Behavioural changes following 21 to 57 h of feed deprivation in swine. International Society of Applied Ethology. p. 265.
Marchant Forde, J.N., Lay Jr, D.C., Marchant Forde, R., Mcmunn, K.A., Cheng, H. 2006. The impact of routine piglet processing procedures on well-being. ii. identification, iron administration and combined processing. Proceedings of the North American Regional Meeting of the International Society of Applied Ethology. p. 48.
Schenck, E.L., Garner, J.P., Toscano, M.J., Kirkden, R.D., Mcmunn, K.A., Pajor, E.A., Lay Jr, D.C. 2006. Utilizing natural rooting behaviors as a means to measure motivation in swine. International Society of Applied Ethology. p. 26.
Lay Jr, D.C., Marchant Forde, J.N., Marchant Forde, R., McMunn, K.A., Cheng, H. 2006. The impact of routine piglet processing procedures on well-being. i. teeth resection, tail-docking, and castration. Proceedings of the North American Regional Meeting of the International Society of Applied Ethology. p. 46.
Moulton, K., Lovell, F., Williams, E., Ryan, P., Lay Jr, D.C., Jansen, D., Willard, S.T. 2006. Use of Glycerol as an Optical Clearing Agent for Enhancing Photonic Transference and Detection of Salmonella typhimurium Through Porcine Skin. Journal of Biomedical Optics. 11(5):054027-1 to 054027-8.
Moulton, K., Lovell, F., Williams, E., Ryan, P., Lay Jr, D.C., Jansen, D., Willard, S.T. 2006. Use of Glycerol as an Optical Clearing Agent for Enhancing Photonic Transference and Detection of Salmonella typhimurium through Porcine Skin. Journal of Biomedical Optics. 11(5):054027-1 to 054027-8. .
Schenck, E.L., Lay Jr, D.C., Kattesh, H.G., Cunnick, J.E., Daniels, M.J., Toscano, M.J., Mcmunn, K.A. 2006. The effects of prenatal stress on the ano-genital distance and growth hormone immuno-positive cells in the pituitary gland of the pig. Journal of Animal Science. 84(1):413.
Moulton, K., Williams, E., Ryan, P., Moore, D., Kim, S., Lay Jr, D.C., Willard, S. 2006. Detection of photonic emissions with varying concentrations of salmonella typhimurium – lux through porcine intestinal tissue: a comparison of two photonic imaging systems. Journal of Animal Science. 84(1):349.
Lay Jr, D.C., Marchant Forde, J.N., Mcmunn, K.A., Marchant Forde, R., Pajor, E.A., Cheng, H. 2006. Two alternative combinations of pig processing methods affect cortisol and behavior. Journal of Animal Science. 84(1):412.
Moulton, K., Lovell, F., Williams, E., Ryan, P., Lay Jr, D.C., Jansen, D. 2007. Use of glycerol as an optical clearing agent for enhancing photonic transference and detectionof salmonella typhimurium through porcine skin. Journal of Biomedical Optics. 11(5):054027-1-8. .
Williams, E., Moulton, K., Moore, D., Mcgee, M., Lovell, F., Couvillion, S., Ryan, P., Lay Jr, D.C., Willard, S. 2006. Photonic properties of transformed salmonella typhimurium: plasmid stability and concentration dependency. American Society of Animal Science.
Moulton, K., Williams, E., Lovell, F., Ryan, P., Lay Jr, D.C., Jansen, D., Willard, S. 2005. A comparison of optical clearing agents to enhance photonic detection of salmonella through pig skin. American Society of Cell Biology Proceedings.
Sorrells, A.D., Eicher, S.D., Scott, K.A., Harris, M.J., Pajor, E.A., Lay Jr, D.C., Richert, B.T. 2006. Post-natal behavioral and physiological responses of piglets from gilts housed individually or in groups during gestation. Journal of Animal Science. 84:757-766.
Koch, J.M., Moritz, J.S., Lay Jr, D.C., Wilson, M.E. 2005. Effect of melengestrol acetate (MGA) as an alternative to induce molting on egg quality. Journal of Animal Science. 83(2):22.
Koch, J.M., Moritz, J.S., Lay, Jr., D.C., Wilson, M.E. 2005. Melengestrol acetate in experimental diets as an effective alternative to induce a decline in egg production and reversible regression of the reproductive tract in laying hens I. Determining an effective concentration of MGA. Poultry Science. 84:1750-1756.
Koch, J.M., Mortiz, J.S., Smith, D.L., Lay, Jr., D.C., Wilson, M.E. 2005. Melengestrol acetate as an effective alternative to induce a decline in egg production and reversible regression of the reproductive tract in laying hens II. Effects on post molt egg quality. Poultry Science. 84:1757-1762.
Richert, B.T., Hinson, R.B., Marchant Forde, R., Lay Jr, D.C., Mcmunn, K.A., Marchant Forde, J.N. 2005. Effects of albuterol on the growth and carcass characteristics of finishing pigs. Journal of Animal Science. 83(1):345.
Marchant Forde, J.N., Mcmunn, K.A., Richert, B.T., Lay Jr, D.C., Marchant Forde, R. 2005. Effects of albuterol on behavioral and heart rate responses of finishing pigs to handling. Journal of Animal Science. 83(1):324.
Koch, J.M., Moritz, J.S., Lay Jr, D.C., Wilson, M.E. 2005. Effect of melengestrol acetate (MGA) on the production of yolk proteins by the liver. Poultry Science Association Meeting Abstract. 84(1):44.
Toscano, M.J., Lay Jr, D.C., Pajor, E.A., Craig, B.A. 2005. Characterizing hunger in swine utilizing a variety of metabolic parameters during 36 h of imposed feed deprivation. Journal of Animal Science. 83(1):324.
Marchant Forde, J.N., Lay Jr, D.C., Mcmunn, K.A., Richert, B.T., Marchant Forde, R. 2005. Effects of albuterol on behavior and physyiology of finishing pigs. International Society of Applied Ethology. p. 65.
Lay Jr, D.C., Toscano, M.J., Kattesh, H.G., Mcmunn, K.A. 2005. Swine dams exposed to psychological stress or physical stress produce offspring with an altered physiologic response to weaning stress. 9th Multidisciplinary International Conference of Biological Psychiatry.
Bearson, B.L., Bearson, S.M., Uthe, J.J., Toscano, M.J., Lay Jr, D.C. 2005. DNA microarray analysis of Salmonella enterica serovar Typhimurium during exposure to norepinephrine [abstract]. American Society for Microbiology. p. 361.
Moulton, K., Lovell, F., Williams, E., Ryan, P., Lawrence, M., Karsi, A., Lay Jr, D.C. 2005. Application of glycerol as an optical clearing agent to enhance photonic transference and detection of salmonella typhimurium through pig skin. American Society of Animal Science. 83(1)246.
Lay Jr, D.C., Marchant Forde, J.N., Richert, B.T., Marchant Forde, R., Mcmunn, K.A. 2005. Effects of albuterol on the physiology of finishing pigs. Journal of Animal Science. 83(1)245.
Smith, G.C., Grandin, T., Friend, T.H., Lay Jr, D.C., Swanson, J.C. 2005. A compilation of research literature and best practices information related to animal welfare concerns in land transport of animals. World Organization for Animal Health Scientific and Technical Review.
Toscano, M.J., Stabel, T.J., Hurd, S.H., Lay Jr, D.C. 2004. Effect of norepinephrine in the transmission of Salmonella between swine. Proceedings of the Conference of Research Workers in Animal Diseases. p. 107.
Toscano, M.J., Lay Jr, D.C. Parsing the characteristics of a simulated udder to determine relative attractiveness to piglets in the 72 hours following parturition. Applied Animal Behavior Science. 92:283-91.
Lay Jr, D.C., Wilson, M.E. 2004. Considerations when using physiological data in assessing animal well-being. Journal of Animal and Veterinary Advances. 3(9):613-625.
Koch, J.M., Lay, Jr., D.C., McMunn, K.A., Wilson, M.E. 2004. Alternative method to induce molt that addresses hen well-being [abstract]. International Society of Applied Ethology.
Koch, J.M., Moritz, J.S., Lay, Jr., D.C., Wilson, M.E. 2004. MGA as an alternative molting method for hens [abstract]. Journal of Animal Science. 82:152.
Lay, Jr., D.C., Carroll, J.A., Weesner, G.D., Toscano, M.J., McMunn, K.A. 2004. Both psychological stress and physical stress alter the hypothalamic-pituitary-adrenal axis in swine [abstract]. International Journal of Psychophysiology. 54:190.
Kanaan, V.T., Pajor, E.A., Lay, Jr., D.C., Richert, B.T. 2004. The effect of co-mingling litters on piglets' social behavior, performance and behavioral tests [absreact]. Applied Animal Behavior Science. p. 143.
LAY, JR., D.C., STABEL, T.J., TOSCANO, M.J. EFFECT OF MIXING AND TRANSPORTATION ON BEHAVIOR AND CORTISOL RESPONSE IN RELATION TO SALMONELLA INFECTION IN SWINE. PROCEEDINGS OF THE AMERICAN SOCIETY OF ANIMAL SCIENCE. 2003. ABSTRACT P. 323.
MARCHANT FORDE, J.N., LAY JR, D.C., PAJOR, E.A., RICHERT, B.T., SCHINICKEL, A.P. ASSESSING ANIMAL WELFARE: SPECIFIC RESEARCH APPROACHES. THE EFFECTS OF RACTOPAMINE ON BEHAVIOR AND PHYSIOLOGY OF FINISHING PIGS. TRENDS IN AGRICULTURAL SCIENCE. 2003. P. 19.
SCOTT, K.A., LAY JR, D.C., SMITH, H.K., TOSCANO, M.J., WILSON, M.E. EFFECT OF THERMAL AND HORMONAL MANIPULATION OF DEVELOPING CHICK EMBRYOS ON POST HATCH BEHAVIOR AND PHYSIOLOGY. MEETING ABSTRACT. 2003. V. 86(SUPPL.2): ABSTRACT P. 2.
WILLARD, S.T., BAILEY, R.H., RYBOLT, M.L., GANDY, B.S., RYAN, P.L., LAY JR, D.C. REAL-TIME MONITORING OF SALMONELLA IN SWINE: SPECIFICITY AND SENSITIVITY OF BACTERIAL DETECTION THROUGH THE GASTROINFESTINAL TRACTS OF JUVENILE AND MARKET WEIGHT PIGS. JOURNAL OF ANIMAL SCIENCE SUPPLEMENT. V. 81(SUPPL.1): ABSTRACT P. 15.
TOSCANO, M.J., SCOTT, K.A., SMITH, H.K., CUNNICK, J.E., DANIELS, M.J., LAY JR, D.C. EFFECTS OF PRE-NATAL STRESS ON IMMUNOLOGICAL RESPONSE AND WEIGHT GAIN DURING THE GROWER FINISHER PERIOD. JOURNAL OF ANIMAL SCIENCE. V. 81(622). P. 157.
STABEL, T.J., LAY, JR., D.C., TOSCANO, M.J., SCOTT, K.A., VOTE,B. EFFECT OF MIXING AND TRANSPORTATION STRESS PARAMETERS ON THE RECRUDESCENCE OF SALMONELLA IN SWINE. CONFERENCE OF RESEARCH WORKERS IN ANIMAL DISEASES. 2002. ABSTRACT P. 49P.
MARCHANT FORDE, J.N., LAY JR, D.C., PAJOR, E.A., RICHERT, B.T., SCHINCKEL, A.P. THE EFFECTS OF RACTOPAMINE ON BEHAVIOR AND PHYSIOLOGY OF FINISHING PIGS. JOURNAL OF ANIMAL SCIENCE. 2003. V 81. P. 416-422.
LAY JR, D.C., PHELPS, A., HAUSSMANN, M.F., DANIELS, M.J. BEHAVIOR OF FEEDER PIGS HOUSED IN DEEP-BEDDED "HOOP" STRUCTURES. INTERNATIONAL SOCIETY OF APPLIED ETHOLOGY. 2002. ABSTRACT P. 150.
LAY JR, D.C., WILSON, M.E., SCOTT, K.A., SMITH, H.K., TOSCANO, M.J. EFFECT OF ELEVATED THERMAL TEMPERATURE AND EXOGENOUS CORTICOSTEROID DURING INCUBATION ON THE PHYSIOLOGY OF CHICKENS. 2002. V. 5 (SUPPL.1): ABSTRACT P. 103.
SMITH, H.K., SCOTT, K.A., TOSCANO, M.J., DANIELS, K., LAY JR, D.C. THE ISOLATION OF SIMULATED UDDER ELEMENTS TO DECREASE DANGER TO PIGLETS DUE TO CRUSHING. JOURNAL OF ANIMAL SCIENCE. V. 85(SUPPL. 1): ABSTRACT P. 26.
LAY JR, D.C., TIMMS, L.L., THORESON, D.R. EFFECTS OF STALL SURFACE ON OCCUPACY AND POSTURAL CHANGES IN DAIRY COWS. JOURNAL OF ANIMAL SCIENCE. 2002. V. 85(SUPPL.1): ABSTRACT P. 28.
WILLARD, S., RYAN, P., BAILEY, R., LAWRENCE, M., ESTILL, C., GANDY, S., LAY JR, D.C. DEVELOPMENT OF A NOVEL PARADIGM FOR THE REAL-TIME MONITORING OF BACTERIAL PATHOGENICITY IN SWINE. AMERICAN SOCIETY OF ANIMAL SCIENCE. V. 85(SUPPL 1): ABSTRACT P. 31.
LAY JR, D.C., HAUSSMANN, M.F., REILLY, P.A., ANTHONY, R.K. A BREED COMPARISON OF POST-PARTURIENT SOW BEHAVIORS RELATED TO MATERNAL ABILITY. INTERNATIONAL SOCIETY OF APPLIED ETHOLOGY. 2002. ABSTRACT P. 13.
MARCHANT FORDE, J.N., LAY JR, D.C., RICHERT, B.T., SCHINCKEL, A.P., PAJOR, E.A. THE EFFECTS OF RACTOPAMINE - A BETA ADRENERGIC AGONIST - ON BEHAVIOR, HEART RATE AND STRESS HORMONES OF FINISHING PIGS. INTERNATIONAL SOCIETY OF APPLIED ETHOLOGY. 2002.
MARCHANT FORDE, J.N., LAY JR, D.C., RICHERT, B.T., PAJOR, E.A. THE EFFECTS OF RACTOPAMINE ON BEHAVIOR AND PHYSIOLOGY OF FINISHING PIGS. AMERICAN SOCIETY OF ANIMAL SCIENCE. 2002.
LAY JR, D.C., MATTERI, R.L., CARROLL, J.A., FANGMAN, T.J., SAFRANSKI, T.J. PREWEANING SURVIVAL IN SWINE. JOURNAL OF ANIMAL SCIENCE. 2001. V. 80(1). P. 1-13.
SHERWIN, C.M., CHRISTIANSEN, S.B., DUNCAN, I.J., ERHARD, H., LAY JR, D.C., MENCH, J., O'CONNOR, C., PETHERICK, C. GUIDELINES FOR THE ETHICAL USE OF ANIMALS. APPLIED ANIMAL BEHAVIOR SCIENCE. V. 81. P. 291-305.
LAY JR, D.C. METHODS AND MEASUREMENTS TO ASSESS THE PHYSIOLOGICAL STATE OF LIVESTOCK. EUROPEAN ASSOCIATION OF ANIMAL PRODUCTION PROCEEDINGS. 2001. ABSTRACT P. 131.