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United States Department of Agriculture

Agricultural Research Service

DONALD C. LAY, JR. (DON)

Research Leader


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Group space allowance has little effect on sow health, productivity, or welfare in a free-access stall system - (Peer Reviewed Journal)
Mack, L.A., Lay Jr, D.C., Eicher, S.D., Johnson, A.K., Richert, B.T., Pajor, E.A. 2014. Group space allowance has little effect on sow health, productivity, or welfare in a free-access stall system. Journal of Animal Science. 92(6):2554-2567.
Growth and reproductive development of male piglets are more vulnerable to mid-gestation maternal stress than that of female piglets - (Peer Reviewed Journal)
Mack, L.A., Lay Jr, D.C., Eicher, S.D., Johnson, A.K., Pajor, E.A. 2014. Growth and reproductive development of male piglets are more vulnerable to mid-gestation maternal stress than that of female piglets. Journal of Animal Science. 92:530-548.
The science of animal welfare - (Abstract Only) - (13-Dec-13)
Postnatal piglet husbandry practices and well-being: The effects of alternative techniques delivered in combination - (Peer Reviewed Journal)
Marchant Forde, J.N., Lay Jr, D.C., Mcmunn, K.A., Cheng, H., Marchant-Forde, R.M., Pajor, E.A. 2014. Postnatal piglet husbandry practices and well-being: The effects of alternative techniques delivered in combination. Journal of Animal Science. 92(3):1150-1160.
Animal Welfare: A World of Change - (Peer Reviewed Journal) - (24-Sep-13)
Effects of early serotonin programming on behavior and central monoamine concentrations in an avian model - (Peer Reviewed Journal)
Dennis, R.L., Lay Jr, D.C., Cheng, H. 2013. Effects of early serotonin programming on behavior and central monoamine concentrations in an avian model. Behavioural Brain Research. 253:290-296.
Effect of group size on behavior, health, production and welfare of veal calves - (Peer Reviewed Journal)
Abdelfattah, E.M., Schutz, M.M., Lay, Jr., D.C., Marchant-Forde, J.N., Eicher, S.D. 2013. Effect of group size on behavior, health, production and welfare of veal calves. Journal of Animal Science. 91:5455-5465.
Repeated mixing and isolation: Measuring chronic, intermittent stress in Holstein calves - (Peer Reviewed Journal)
Wilcox, C.S., Lay Jr, D.C., Rostagno, M.H., Schutz, M.M., Eicher, S.D. 2013. Repeated mixing and isolation: Measuring chronic, intermittent stress in Holstein calves. Journal of Dairy Science. 96:7223-7233.
Prenatal stress puzzle, the oxytocin piece: Prenatal stress alters the behaviour and autonomic regulation in piglets, insights from oxytocin - (Peer Reviewed Journal)
Rault, J., Mack, L.A., Carter, C., Garner, J.P., Marchant Forde, J.N., Richert, B.T., Lay Jr, D.C. 2013. Prenatal stress puzzle, the oxytocin piece: Prenatal stress alters the behaviour and autonomic regulation in piglets, insights from oxytocin. Applied Animal Behaviour Science. 148(1-2): 99-107.
Group size alters postures, and maintenance, oral, locomotor and social behaviors of veal calves - (Abstract Only)
Abdelfattah, E.M., Schutz, M.M., Lay Jr, D.C., Marchant Forde, J.N., Eicher, S.D. 2013. Group size alters postures, and maintenance, oral, locomotor and social behaviors of veal calves. Journal of Animal Science. Proceedings.
Group size of veal calves does not affect production, physiological, or hematological indicators of welfare and has transient effects on health - (Abstract Only)
Abdelfattah, E.M., Schutz, M.M., Lay Jr, D.C., Marchant Forde, J.N., Eicher, S.D. 2013. Group size of veal calves does not affect production, physiological, or hematological indicators of welfare and has transient effects on health. Journal of Animal Science. Proceedings CD.
The effects of non-uniform environmental conditions on piglet crushing and maternal behavior of sows - (Abstract Only)
Morello, G.M., Richert, B.T., Lay Jr, D.C., Rodrigues, L.A., Marchant Forde, J.N. 2013. The effects of non-uniform environmental conditions on piglet crushing and maternal behavior of sows. International Society of Applied Ethology. Proceedings ISAE.
A role for serotonin in piglet preweaning mortality - (Abstract Only)
Dennis, R.L., Mcmunn, K.A., Lay Jr, D.C., Cheng, H. 2013. A role for serotonin in piglet preweaning mortality. Joint Meeting of the ADSA, AMSA, ASAS and PSA. Proceedings.
Effects of rubber flooring during the first 2 lactations on production, locomotion, hoof health, immune functions, and stress Reprint Icon - (Peer Reviewed Journal)
Eicher, S.D., Lay Jr, D.C., Arthington, J.D., Schutz, M.M. 2013. Effects of rubber flooring during the first two lactations on production, locomotion, hoof health, immune functions, and stress. Journal of Dairy Science. 96:3639-3651.
Repeated intranasal oxytocin administration in early life dysregulates the HPA axis and alters social behavior Reprint Icon - (Peer Reviewed Journal)
Rault, J., Carter, C.S., Garner, J.P., Marchant Forde, J.N., Richert, B.T., Lay Jr, D.C. 2013. Repeated intranasal oxytocin administration in early life dysregulates the HPA axis and alters social behavior. Physiology and Behavior. 112-113:40-48.
Gas alternatives to carbon dioxide for euthanasia: A piglet perspective Reprint Icon - (Peer Reviewed Journal)
Rault, J., McMunn, K.A., Marchant Forde, J.N., Lay Jr, D.C. 2013. Gas alternatives to carbon dioxide for euthanasia: A piglet perspective. Journal of Animal Science. 4:1874-1883.
The effects of R-salbutamol on growth, carcass measures and health of finishing pigs - (Peer Reviewed Journal)
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. 90:4081-4089.
Effect of stress on Salmonella, coliforms and lactobacilli in different portions of the intestinal tract of swine - (Abstract Only)
Rostagno, M.H., Richert, B.T., Lay Jr, D.C. 2012. Effect of stress on Salmonella, coliforms and lactobacilli in different portions of the intestinal tract of swine. Rowett Research Institute Institute National De La Resherche Agronomique Joint Symposium. Proceedings.
Gas alternatives to carbon dioxide for euthanasia: A piglet perspective - (Abstract Only)
Lay Jr, D.C., Rault, J., McMunn, K.A., Marchant Forde, J.N. 2013. Gas alternatives to carbon dioxide for euthanasia: A piglet perspective. Journal of Animal Science. 91:1874-1883.
Effect of pre-slaughter stressors on intestinal microbial populations of pigs - (Abstract Only)
Rostagno, M.H., Richert, B.T., Lay Jr, D.C. 2012. Effect of pre-slaughter stressors on intestinal microbial populations of pigs. Joint Abstracts of the American Dairy Science and Society of Animal Science. Proceedings.
Effects of social isolation and environmental enrichment on laboratory housed pigs - (Abstract Only)
Deboer, S.P., Garner, J.P., Eicher, S.D., Lay Jr, D.C., Marchant Forde, J.N. 2012. Effects of social isolation and environmental enrichment on laboratory housed pigs. International Society of Applied Ethology. Proceedings ISAE.
Does the presence of a human effect the preference of enrichment items in young isolated pigs? - (Peer Reviewed Journal)
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.
Transportation and mixing with unfamiliar pigs increase the susceptibility of market-weight pigs to Salmonella enterica - (Abstract Only)
Rostagno, M.H., Lay Jr, D.C. 2012. Transportation and mixing with unfamiliar pigs increase the susceptibility of market-weight pigs to Salmonella enterica. Pig Veterinary Society International Congress Proceedings. Meeting Proceedings.
Increasing the frequency of co-mingling piglets during the lactation period alters the development of social behavior before and after weaning - (Peer Reviewed Journal)
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.
Nitrous oxide by itself is insufficient to relieve pain due to castration in piglet Reprint Icon - (Peer Reviewed Journal)
Rault, J.Y., Lay Jr, D.C. 2011. Nitrous oxide by itself is insufficient to relieve pain due to castration in piglet. Journal of Animal Science. 89(10):3318-3325.
Use of heart rate variability differentiates between physical and psychological states - (Abstract Only)
Lay Jr, D.C., Marchant Forde, R.M., Marchant Forde, J.N., Hogan, D.F. 2011. Use of heart rate variability differentiates between physical and psychological states. Journal of Animal Science. Proceedings ASAS 2011.
Glucosamine:chondroitin or ginger root extract have little effect on articular cartilage in swine - (Abstract Only)
Lay Jr, D.C., Marchant Forde, J.N., Richert, B.T., Mcmunn, K.A. 2011. Glucosamine:chondroitin or ginger root extract have little effect on articular cartilage in swine. Joint Abstracts of the American Dairy Science and Society of Animal Science. Proceedings JAM ADSA-ASAS.
Oxytocin reduces separation distress in piglets when given intranasally - (Abstract Only)
Rault, J., Carter, S., Garner, J., Marchant Forde, J.N., Richert, B., Lay Jr, D.C. 2011. Oxytocin reduces separation distress in piglets when given intranasally. International Society of Applied Ethology. Proceedings ISAE.
Does the presence of a human effect the preference of enrichment items in young isolated pigs? - (Abstract Only)
Deboer, S., Lucas, J., Garner, J.P., Eicher, S.D., Lay Jr, D.C., Marchant Forde, J.N. 2011. Does the presence of a human effect the preference of enrichment items in young isolated pigs?. International Society of Applied Ethology. Proceedings.
The effects of group size on aggression when mixing unacquainted sows in indoor pens - (Abstract Only)
Marchant Forde, J.N., Garner, J.P., Lay Jr, D.C., Johnson, A.K., Marchant Forde, R.M. 2011. The effects of group size on aggression when mixing unacquainted sows in indoor pens. Journal of Animal Science. Proceedings.
The effects of group size on aggression when mixing unacquainted sows in outdoor paddocks - (Abstract Only)
Marchant Forde, J.N., Garner, J.P., Johnson, A.K., Marchant-Forde, R.M., Lay Jr, D.C. 2011. The effects of group size on aggression when mixing unacquainted sows in outdoor paddocks. Journal of Animal Science. Proceedings.
The effects of diet ingredients on gastric ulceration and salivary pH in gestating sows - (Abstract Only)
Wiscom, S.L., Richert, B.T., Radcliffe, J., Lay Jr, D.C., Marchant Forde, J.N. 2011. The effects of diet ingredients on gastric ulceration and salivary pH in gestating sows. American Society of Animal Science. Proceedings.
The effects of diet ingredients on gastric ulceration and stereotypies in gestating sows - (Abstract Only)
Wisdom, S.L., Richert, B.T., Radcliffe, J.S., Lay Jr, D.C., Marchant Forde, J.N. 2011. The effects of diet ingredients on gastric ulceration and stereotypies in gestating sows. International Society of Applied Ethology. Proceedings.
Action-reaction: using Markov analysis to elucidate social behavior when unacquainted sows are mixed - (Abstract Only)
Marchant Forde, J.N., Garner, J.P., Lay Jr, D.C., Johnson, A.K. 2011. Action-reaction: using Markov analysis to elucidate social behavior when unacquainted sows are mixed. International Society of Applied Ethology. Proceedings.
Can prenatal social stress impact sex characteristics in piglets? - (Abstract Only)
Mack, L.A., Eicher, S.D., Johnson, A.K., Lay Jr, D.C., Richert, B.T., Pajor, E.A. 2011. Can prenatal social stress impact sex characteristics in piglets?. Joint Abstracts of the American Dairy Science and Society of Animal Science. Proceedings.
Alleyway width in a free-access stall system influences gestating sow behavior and welfare - (Abstract Only)
Mack, L.A., Eicher, S.D., Johnson, A.K., Lay Jr, D.C., Richert, B.T., Pajor, E.A. 2011. Alleyway width in a free-access stall system influences gestating sow behavior and welfare. Joint Abstracts of the American Dairy Science and Society of Animal Science. #647, p. 683.
Prenatally stressed piglets 'shut down' in response to separation, oxytocin modulates some effects - (Abstract Only)
Rault, J., Mack, L., Carter, S., Garner, J., Marchant Forde, J.N., Richert, B., Lay Jr, D.C. 2011. Prenatally stressed piglets 'shut down' in response to separation, oxytocin modulates some effects. Behavioral Neuroscience. Proceedings.
Effects of oxytocin administration in early life on the behavioral and physiological stress response of swine - (Abstract Only)
Rault, J., Carter, S., Garner, J., Marchant Forde, J.N., Richert, B., Lay Jr, D.C. 2011. Effects of oxytocin administration in early life on the behavioral and physiological stress response of swine. Joint Abstracts of the American Dairy Science and Society of Animal Science. Proceedings.
Effect of transportation and mixing with unfamiliar pig on Salmonella susceptibility in market weight pigs - (Proceedings)
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.
Does pre-slaughter stress affect pork safety risk? - (Abstract Only)
Rostagno, M.H., Eicher, S.D., Lay Jr, D.C. 2011. Does pre-slaughter stress affect pork safety risk?. Journal of Animal Science. 89 (E-Suppl. 1):430.
Castration is no laughing matter, nitrous oxide can’t even help - (Abstract Only)
Rault, J., Lay Jr, D.C. 2011. Castration is no laughing matter, nitrous oxide can’t even help. Joint Abstracts of the American Dairy Science and Society of Animal Science. Proceedings JAM ADSA-ASAS.
Castration induced pain in pigs and other livestock - (Peer Reviewed Journal)
Rault, J., Lay Jr, D.C., Marchant Forde, J.N. 2011. Castration induced pain in pigs and other livestock. Applied Animal Behaviour Science. 135:214-225.
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. - (Peer Reviewed Journal)
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.
Effect of prenatal stress on subsequent response to mixing stress and a lipopolysaccharide challenge in pigs - (Peer Reviewed Journal)
Lay Jr, D.C., Kattesh, H.G., Cunnick, J.E., Daniels, M.J., Kranendonk, G., Mcmunn, K.A., Toscano, M.J., Roberts, M.P. 2011. Effect of prenatal stress on pig’s subsequent response to mixing stress and a lipopolysaccharide challenge. Journal of Animal Science. 89(6):1787-1794.
Immunological, physiological and behavioral effects of Salmonella enterica carriage and shedding in experimentally infected finishing pigs - (Peer Reviewed Journal)
Rostagno, M.H., Eicher, S.D., Lay Jr, D.C. 2011. Immunological, physiological and behavioral effects of Salmonella enterica carriage and shedding in experimentally infected finishing pigs. Foodborne Pathogens and Disease. 8(5):623-630.
Development Effects of Oxytocin in Piglets by Intranasal or Subcutaneous Administration - (Abstract Only)
Rault, J., Carter, C.S., Cheng, H., Garner, J.P., Marchant Forde, J.N., Richert, B.T., Lay Jr, D.C. 2010. Development Effects of Oxytocin in Piglets by Intranasal or Subcutaneous Administration. Society for Neuroscience Abstracts and Proceedings. Proceedings.
Hen Welfare in Different Housing Systems Reprint Icon - (Peer Reviewed Journal)
Lay Jr, D.C., Fulton, M., Hester, P.Y., Karcher, D.M., Mench, J.A., Mullens, B.A., Newberry, R.C., Nicol, C.J., O'Sullivan, N.P., Porter, R.E. 2011. Hen Welfare in Different Housing Systems. Poultry Science. 90:278-294.
Effects of Early Serotonin Programming on Fear Response, Memory and Aggression - (Abstract Only)
Dennis, R.L., Lay Jr, D.C., Cheng, H. 2010. Effects of Early Serotonin Programming on Fear Response, Memory and Aggression. International Society of Applied Ethology. Proceedings No. Am. Regional Meeting ISAE.
Rubber Flooring Impact on Health of Dairy Cows - (Abstract Only)
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.
Does Pre-Slaughter Stress Affect Pork Safety? - (Abstract Only)
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.
Hen Welfare in Different Housing Systems - (Abstract Only)
Lay Jr, D.C., Fulton, R.M., Hester, P.Y., Karcher, D.M., Kjaer, J., Mench, J.A., Mullens, B.A., Newberry, R.C., Nicol, C.J., O'Sullivan, N.P., Porter, R.E. 2010. Hen Welfare in Different Housing Systems [abstract]. Journal of Animal Science. 88:1027(E-Suppl. 2).
Even Her Uterus Can’t Protect You. Stress in Life: A Multi-Species Review - (Abstract Only)
Lay Jr, D.C. 2010. Even Her Uterus Can’t Protect You. Stress in Life: A Multi-Species Review [abstract]. Journal of Animal Science. 88:777(Suppl. 2).
Rubber Flooring Impact on Health of Dairy Cows - (Abstract Only)
Eicher, S.D., Lay Jr, D.C., Arthington, J.D., Schutz, M.M. 2010. Rubber Flooring Impact on Health of Dairy Cows. Journal of Dairy Science. 93.E:14 (Suppl. 1)
The Effect of Alleyway Width on Gestating Sow Welfare in a Free-Access Stall System - (Abstract Only)
Mack, L.A., Elischer, M.F., Eicher, S.D., Johnson, A.K., Lay Jr, D.C., Richert, B.T., Pajor, E.A. 2010. The Effect of Alleyway Width on Gestating Sow Welfare in a Free-Access Stall System [abstract]. Journal of Animal Science. 88:T4(E-Suppl. 2).
Heart Rate Variability – a Tool to Differentiate Positive and Negative Affective States in Pigs? - (Abstract Only)
Poletto, R., Marchant-Ford, R.M., Marchant Forde, J.N., Rault, J., Hogan, D.F., Lay Jr, D.C. 2010. Heart Rate Variability – a Tool to Differentiate Positive and Negative Affective States in Pigs? [abstract]. Journal of Animal Science. 88:415(Suppl. 2).
The Physiologic Response to Stress and its Effects on Swine Reproduction - (Abstract Only)
Lay Jr, D.C. 2010. The Physiologic Response to Stress and its Effects on Swine Reproduction [abstract]. Journal of Animal Science Supplement 1. p. 9.
Feed Withdrawal and Transport Interactions with Intestinal and Peripheral Immunity - (Abstract Only)
Eicher, S.D., Lay Jr, D.C., Rostagno, M.H. 2009. Feed Withdrawal and Transport Interactions with Intestinal and Peripheral Immunity. Research Workers in Animal Diseases Conference Proceedings. p. 107.
Postnatal piglet husbandry practices and well-being: The effects of alternative techniques delivered separately - (Peer Reviewed Journal)
Marchant Forde, J.N., Lay Jr, D.C., Mcmunn, K.A., Cheng, H., Pajor, E.A., Marchant-Forde, R.M. 2009. Postnatal piglet husbandry practices and well-being: The effects of alternative techniques delivered separately. Journal of Animal Science. 87:1479-1492.
Experimental Salmonella Enterica Infection in Market-weight Pigs - (Abstract Only)
Rostagno, M.H., Eicher, S.D., Lay Jr, D.C. 2009. Experimental Salmonella Enterica Infection in Market-weight Pigs. International Symposium on the Epidemiology and Control of Foodborne Pathogens in Pork. Proceedings.
Effect of Feed Withdrawal and Transportation on Salmonella Enterica Infection in Market-weight Pigs - (Abstract Only)
Rostagno, M.H., Eicher, S.D., Lay Jr, D.C. 2009. Effect of Feed Withdrawal and Transportation on Salmonella Enterica Infection in Market-weight Pigs. International Symposium on the Epidemiology and Control of Foodborne Pathogens in Pork. Proceedings.
Photonic Plasmid Stability of Transformed Salmonella Typhimurium: A Comparison of Three Unique Plasmids - (Peer Reviewed Journal)
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.
The Effects of Tail Docking Method on Piglets' Behavioral Responses to a Formalin Pain Test - (Abstract Only)
Marchant Forde, J.N., Cheng, H., Lay Jr, D.C., Pajor, E.A., Marchant-Forde, R.M. 2009. The Effects of Tail Docking Method on Piglets' Behavioral Responses to a Formalin Pain Test. International Society of Applied Ethology. Proceedings.
Behavior, plasma cortisol, and immune cell populations of pigs experimentally infected with Salmonella Typhimurum - (Abstract Only)
Lay, Jr, D.C., Rostagno, M.H., Eicher, S.D., McMunn, K.A. 2008. Behavior, plasma cortisol, and immune cell populations of pigs experimentally infected with Salmonella Typhimurum [abstract]. Applied Animal Behaviour Science. p. 192.
The Use of Heart Rate Variability as a Novel Method to Differentiate between Affective States - (Abstract Only)
Lay Jr, D.C., Marchant-Forde, R.M., Janczak, A.M., Marchant Forde, J.N., Hogan, D.F. 2009. The Use of Heart Rate Variability as a Novel Method to Differentiate between Affective States. International Society of Applied Ethology. Proceedings 43rd Cong. of ISAE.
Postmortem Photonic Imaging of Lux-Modified Salmonella Typhimuium Within the Gastrointestinal Tract of Swine Following Oral Inoculation In Vivo - (Peer Reviewed Journal)
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.
Postmortem photonic imaging of lux-modified Salmonella typhimurium within the gastrointestinal tract of swine following oral inoculation in vivo - (Peer Reviewed Journal)
Moulton, K., Ryan, P., Lay Jr, D.C., Willard, S. 2009. Postmortem photonic imaging of lux-modified Salmonella typhimurium within the gastrointestinal tract of swine following oral inoculation in vivo. Journal of Animal Science. 87:2239-2244.
Making Sense of Fear Testing - Validating Common Behavioral Tests used in Swine - (Abstract Only)
Lay Jr, D.C., Garner, J.P. 2009. Making Sense of Fear Testing - Validating Common Behavioral Tests used in Swine. American Society of Animal Science. Proceedings CD.
Salmonella infection and immune response in finishing pigs - (Abstract Only)
Rostagno, M.H., Eicher, S.D., Lay Jr, D.C. 2009. Salmonella infection and immune response in finishing pigs. American Society of Animal Science. ASAS Proceedings CD.
Photonic plasmid stability of transformed Salmonella typhimurium: A comparison of three unique plasmids - (Peer Reviewed Journal)
Moulton, K., Ryan, P., Lay Jr, D.C., Willard, S. 2009. Photonic plasmid stability of transformed Salmonella typhimurium: A comparison of three unique plasmids. BMC Microbiology. 9:152-159.
Postnatal piglet husbandry practices and well being: The effects of alternative techniques delivered separately. - (Peer Reviewed Journal)
Marchant Forde, J.N., Lay Jr, D.C., Mcmunn, K.A., Cheng, H., Pajor, E.A., Marchant-Forde, R.M. 2009. Postnatal piglet husbandry practices and well being: The effects of alternative techniques delivered separately.. Journal of Animal Science. 87:1479-1492.
Exercise in stall-housed gestating gilts: Effects on lameness, the musculo-skeletal system, production and behavior - (Peer Reviewed Journal)
Schenck, E.L., McMunn, K.A., Nielsen, B.D., Richert, B.T., Marchant Forde, J.N., Lay Jr, D.C. 2008. Exercise in stall-housed gestating gilts: Effects on lameness, the musculo-skeletal system, production and behavior. Journal of Animal Science. 86:3166-3180.
Effects of R-Salbutamol on Behavior and Physiology of Finishing Pigs - (Peer Reviewed Journal)
Marchant Forde, J.N., Lay Jr, D.C., Marchant-Forde, R.M., Mcmunn, K.A., Richert, B.T. 2008. EFFECTS OF R-SALBUTAMOL ON BEHAVIOR AND PHYSIOLOGY OF FINISHING PIGS. Applied Animal Behaviour Science. 86:3110-3124.
Short Communication: Effect of temporary glycosuria on molasses consumption in Holstein calves - (Peer Reviewed Journal)
Wilcox, C.S., Schutz, M.M., Donkin, S.S., Lay Jr, D.C., Eicher, S.D. 2008. Short Communication: Effect of temporary glycosuria on molasses consumption in Holstein calves. Journal of Dairy Science. 91:3607-3610.
Effects of alternatives of molting on bird well-being - (Abstract Only)
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.
Iron regulated genes of Salmonella enterica serovar Typhimurium in response to norepinephrine and the requirement of fepCDG for norepinephrine-enhanced growth - (Peer Reviewed Journal)
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.
The social behavior carried out by unacquainted sows on mixing may predict the likelihood of escalation into aggression - (Abstract Only)
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.
The value of telemetry for measuring effects of snaring and saline injection on heart rate variability in pigs - (Abstract Only)
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.
Prenatal stress on pig development and response to weaning - (Peer Reviewed Journal)
Lay Jr, D.C., Kattesh, H.G., Cunnick, J.E., Daniels, M.J., McMunn, K.A., Toscano, M.J., Roberts, M.P. 2008. Prenatal stress on pig development and response to weaning. Journal of Animal Science. 86:1316-1324.
The Effects of Exercise on Production, Interbirth Intervals, and Lying Behaviors in Gestating Stall-Housed Gilts - (Abstract Only)
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.
Evaluation of Photonic Imaging in the Gastrointestinal Tract of Swine Following Oral Inoculation With Lux-Modified Salmonella typhimurium - (Abstract Only)
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.
A note on the effects of co-mingling piglet litters on pre-weaning growth, injuries and responses to beavioural tests - (Peer Reviewed Journal)
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.
Functional test of the hypothalamic-pituitary-adrenal axis of sows housed in various environments - (Abstract Only)
Lay Jr, D.C. 2007. Functional test of the hypothalamic-pituitary-adrenal axis of sows housed in various environments. International Society of Applied Ethology. Proceedings, p. 212.
Exercise increases bone density in the joints and limbs of gestating stall-housed gilts - (Abstract Only)
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.
Reduced Expression of Proteasome 26s in Hypothalamus of Heat Stressed Pigs and Hypothalamic Cells - (Abstract Only)
Rogers, C.B., Collins, J.S., Lay Jr, D.C., Cheng, H., Sartin, J.L., Schwartz, D.D. 2005. Reduced expression of proteasome 26s in hypothalamus of heat stressed pigs and hypothalamic cells. Experimental Biology.
Thoughts on farm animal welfare - (Other)
Alger, B., Lundeheim, N., Boyle, L.A., Broom, D.M., Eliasson-Selling, L., Holmgren, N., Mattson, B., Grandin, T., Halverson, M., Lay Jr, D.C., Marchant Forde, J.N., Marchant Forde, R., Li, Y., Pajor, E.A., Stookey, J.M., Zanella, A.J. 2007. Thoughts on farm animal welfare. Journal of the American Veterinary Medical Association. 230:185-186.
Motivation of Hens to Obtain Feed During a Molt Induced by Either Feed Withdrawal, Wheat Middlings Or Melengestrol Acetate - (Peer Reviewed Journal)
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.
Cultivation of Salmonella enterica serovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine - (Peer Reviewed Journal)
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.
Cultivation of Salmonella enterica serovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine - (Peer Reviewed Journal)
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.
Alternative Piglet Processing Procedures Given Singly Affect Cortisol, Behavior and Growth - (Abstract Only)
Marchant Forde, J.N., Lay Jr, D.C., Marchant Forde, R., McMunn, K.A., Pajor, E.A., Cheng, H. 2006. Alternative piglet processing procedures given singly affect cortisol, behavior and growth. Journal of Animal Science. 84(1):412.
Assessing the Adaptation of Swine to 57 Hours of Feed Deprivation in Terms of Behavioral and Physiological Responses - (Peer Reviewed Journal)
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.
Behavioural Changes Following 21 to 57 H of Feed Deprivation in Swine - (Abstract Only)
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.
The Impact of Routine Piglet Processing Procedures on Well-Being. Ii. Identification, Iron Administration and Combined Processing - (Abstract Only)
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.
Utilizing Natural Rooting Behaviors As a Means to Measure Motivation in Swine - (Abstract Only)
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.
The Impact of Routine Piglet Processing Procedures on Well-Being. I. Teeth Resection, Tail-Docking, and Castration - (Abstract Only)
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.
Use of Glycerol as an Optical Clearing Agent for Enhancing Photonic Transference and Detection of Salmonella typhimurium Through Porcine Skin - (Peer Reviewed Journal)
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.
Use of Glycerol as an Optical Clearing Agent for Enhancing Photonic Transference and Detection of Salmonella typhimurium through Porcine Skin - (Peer Reviewed Journal)
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. .
The Effects of Prenatal Stress on the Ano-Genital Distance and Growth Hormone Immuno-Positive Cells in the Pituitary Gland of the Pig - (Abstract Only)
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.
Detection of Photonic Emissions with Varying Concentrations of Salmonella Typhimurium – Lux Through Porcine Intestinal Tissue: a Comparison of Two Photonic Imaging Systems - (Abstract Only)
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.
Two Alternative Combinations of Pig Processing Methods Affect Cortisol and Behavior - (Abstract Only)
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.
Use of Glycerol As An Optical Clearing Agent for Enhancing Photonic Transference and Detectionof Salmonella Typhimurium Through Porcine Skin - (Peer Reviewed Journal)
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. .
Photonic Properties of Transformed Salmonella Typhimurium: Plasmid Stability and Concentration Dependency - (Abstract Only)
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.
A Comparison of Optical Clearing Agents to Enhance Photonic Detection of Salmonella Through Pig Skin - (Abstract Only)
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.
Post-Natal Behavioral and Physiological Responses of Piglets from Gilts Housed Individually Or in Groups During Gestation - (Peer Reviewed Journal)
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.
Effect of Melengestrol Acetate (Mga) As An Alternative to Induce Molting on Egg Quality - (Abstract Only)
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.
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 - (Peer Reviewed Journal)
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.
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 - (Peer Reviewed Journal)
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.
Effects of Albuterol on the Growth and Carcass Characteristics of Finishing Pigs - (Abstract Only)
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.
Effects of Albuterol on Behavioral and Heart Rate Responses of Finishing Pigs to Handling - (Abstract Only)
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.
Effect of Melengestrol Acetate (Mga) on the Production of Yolk Proteins by the Liver - (Abstract Only)
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.
Characterizing Hunger in Swine Utilizing a Variety of Metabolic Parameters During 36 H of Imposed Feed Deprivation - (Abstract Only)
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.
Effects of Albuterol on Behavior and Physyiology of Finishing Pigs - (Abstract Only)
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.
Swine Dams Exposed to Psychological Stress Or Physical Stress Produce Offspring with An Altered Physiologic Response to Weaning Stress - (Abstract Only)
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.
DNA Microarray Analysis of Salmonella Enterica Serovar Typhimurium During Exposure to Norepinephrine - (Abstract Only)
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.
Application of Glycerol As An Optical Clearing Agent to Enhance Photonic Transference and Detection of Salmonella Typhimurium Through Pig Skin - (Abstract Only)
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.
Effects of Albuterol on the Physiology of Finishing Pigs - (Abstract Only)
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.
Effect of Heat Stress on Gene Expression in Hippocampus - (Abstract Only)
El-Orabi, N., Rogers, C.B., Lay Jr, D.C., Cheng, H., Sartin, J.L., Schwartz, D.D. 2005. Effect of heat stress on gene expression in hippocampus. Experimental Biology.
A Compilation of Research Literature and Best Practices Information Related to Animal Welfare Concerns in Land Transport of Animals - (Review Article)
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.
Growth and Transmission Characteristics of Norepinephrine Treated Salmonella Enterica Serovar Typhimurium in Stressed and Non-Stressed Swine - (Experiment Station) - (15-Nov-04)
Bridging Differences Between Europe and the U.S.A. - Research - (Proceedings)
Marchant Forde, J.N., Lay Jr, D.C. Bridging differences between europe and the u.s.a. - research. Future Trends in Animal Agriculture. p.54.
Effect of Norepinephrine in the Transmission of Salmonella Between Swine - (Abstract Only)
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.
Acth - (Book / Chapter) - (03-Sep-04)
Adrenal - (Book / Chapter) - (03-Sep-04)
Catecholamine - (Book / Chapter) - (03-Sep-04)
Epinephrine - (Book / Chapter) - (03-Sep-04)
Hypothalamic-Pituitary-Adrenal Axis - (Book / Chapter) - (03-Sep-04)
Norepinephrine - (Book / Chapter) - (03-Sep-04)
Stress Hormones - (Book / Chapter) - (03-Sep-04)
Systemic Measures - (Book / Chapter) - (03-Sep-04)
Thyroid Hormone - (Book / Chapter) - (03-Sep-04)
Heat Stress - (Book / Chapter) - (03-Sep-04)
Parsing the Characteristics of a Simulated Udder to Determine Relative Attractiveness to Piglets in the 72 Hours Following Parturition - (Peer Reviewed Journal)
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.
Considerations When Using Physiological Data in Assessing Animal Well-Being - (Peer Reviewed Journal)
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.
Alternative Method to Induce Molt That Addresses Hen Well-Being - (Abstract Only)
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.
Plasma Progesterone Response Following Acth Administration in the Pregnnant Brahman Heifer - (Peer Reviewed Journal)
Willard, S.T., Lay, Jr., D.C., Friend, T.H., Neuendorff, D.A., Randel, R.D. 2005. Plasma progesterone response following ACTH administration in the pregnnant Brahman heifer. Theriogenology. 63:1061-1069.
Effects of Mixing Stress on Plasma Cortisol, Corticosteroid-Binding Globulin and Free Cortisol Index in Prenatally-Stressed Pigs - (Abstract Only)
Lay, Jr., D.C., Kattesh, H.G., Roberts, M.P., Toscano, M.J., McMunn, K.A. 2004. Effects of mixing stress on plasma cortisol, corticosteroid-binding globulin and free cortisol index in prenatally-stressed pigs [abstract]. Journal of Animal Science. 82:279.
The Effect of Co-Mingling Litters on Piglets' Growth, Suckling Behavior and Responses to Behavioral Tests - (Abstract Only)
Kanaan, V.T., Lay Jr, D.C., Richert, B.T., Garner, J.P., Pajor, E.A. The effect of co-mingling litters on piglets' growth, suckling behavior and responses to behavioral tests. Applied Animal Behavior Science. Available: http://www.usask.ca/wcvm/herdmed/applied-ethology/isae/isaecanada/abstractsindiana04.htm#Kana.
Mga As An Alternative Molting Method for Hens - (Abstract Only)
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.
Both Psychological Stress and Physical Stress Alter the Hypothalamic-Pituitary-Adrenal Axis in Swine - (Abstract Only)
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.
The Effect of Co-Mingling Litters on Piglets' Social Behavior, Performance and Behavioral Tests - (Abstract Only)
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.
Toll-Like Receptors 2 (Tlr2) and 4 (Tlr4) of Porcine Blood Leukocytes During Heat-Stress - (Abstract Only)
Eicher, S.D., Sartin, J.L., Schwartz, D.D., Lay, Jr., D.C., Cheng, H. 2004. Toll-like receptors 2 (TLR2) and 4 (TLR4) of porcine blood leukocytes during heat-stress [absreact]. Veterinary Immunology International Symposium. p. 240.
Environment: Effect of Animal Health - (Book / Chapter)
Lay, Jr., D.C. 2004. Environment: Effect of animal health. Encyclopedia of Animal Science. Available: www.deker.com.
Effects of Pre-Natal Stress on the Resulting Offspring - (Experiment Station)
TOSCANO, M.J., LAY JR, D.C. EFFECTS OF PRE-NATAL STRESS ON THE RESULTING OFFSPRING. SWINE RESEARCH REPORT. 2003. P. 135.
Environment: Accomodations for Animals - (Book / Chapter) - (22-Oct-03)
Environment: Accommodations for Animals - (Book / Chapter)
Lay, Jr., D.C. 2010. The Encyclopedia of Applied animal Behaviour and Welfare, CABI No. Am Office, Cambridge, MA. Availalbe: www.cabi.org
Effect of Mixing and Transportation on Behavior and Cortisol Response in Relation to Salmonella Infection in Swine - (Abstract Only)
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.
Summary of Assessment Strategies - (Proceedings)
LAY JR, D.C. SUMMARY OF ASSESSMENT STRATEGIES. TRENDS IN AGRICULTURAL SCIENCE. 2003. P. 2-3.
Assessing Animal Welfare: Specific Research Approaches. the Effects of Ractopamine on Behavior and Physiology of Finishing Pigs - (Proceedings)
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.
Adrenergic Regulation of Immunity in Laying Hens - (Abstract Only)
Cheng, H., Lay Jr, D.C., Pajor, E. 2003. Adrenergic regulation of immunity in laying hens. Poultry Science. 82(1):60.
Effect of Thermal and Hormonal Manipulation of Developing Chick Embryos on Post Hatch Behavior and Physiology - (Abstract Only)
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.
Real-Time Monitoring of Salmonella in Swine: Specificity and Sensitivity of Bacterial Detection Through the Gastroinfestinal Tracts of Juvenile and Market Weight Pigs - (Abstract Only)
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.
Swine Production Systems: Animal Welfare Considerations - (Abstract Only)
LAY JR, D.C. SWINE PRODUCTION SYSTEMS: ANIMAL WELFARE CONSIDERATIONS. JOURNAL OF ANIMAL SCIENCE SUPPLEMENT. 2003. V. 86(SUPPL.1): ABSTRACT P. 1.
Beef Cattle: Behavior Management and Well-Being - (Book / Chapter)
Lay, Jr, D.C. The Encyclopedia of Applied Animal Behaviour and Welfare, CABI No. Am. Office, Cambridge, MA. Available: www.cabi.org
Effects of Pre-Natal Stress on Immunological Response and Weight Gain During the Grower Finisher Period - (Abstract Only)
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.
Effect of Mixing and Transportation Stress Parameters on the Recrudescence of Salmonella in Swine - (Abstract Only)
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.
The Effects of Ractopamine on Behavior and Physiology of Finishing Pigs - (Peer Reviewed Journal)
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.
Behavior of Feeder Pigs Housed in Deep-Bedded "hoop" Structures - (Abstract Only)
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.
Effect of Elevated Thermal Temperature and Exogenous Corticosteroid During Incubation on the Physiology of Chickens - (Abstract Only)
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.
Effects of Pre-Natal Stress on Piglet Behavior and Immunological Response to Weaning - (Abstract Only)
TOSCANO, M.J., SCOTT, K.A., LAY JR, D.C., SMITH, H.K. EFFECTS OF PRE-NATAL STRESS ON PIGLET BEHAVIOR AND IMMUNOLOGICAL RESPONSE TO WEANING. MEETING ABSTRACT. 2002. ABSTRACT P. 13.
The Isolation of Simulated Udder Elements to Decrease Danger to Piglets Due to Crushing - (Abstract Only)
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.
Effects of Stall Surface on Occupacy and Postural Changes in Dairy Cows - (Abstract Only)
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.
Development of a Novel Paradigm for the Real-Time Monitoring of Bacterial Pathogenicity in Swine - (Abstract Only)
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.
A Breed Comparison of Post-Parturient Sow Behaviors Related to Maternal Ability - (Abstract Only)
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.
The Effects of Ractopamine - a Beta Adrenergic Agonist - on Behavior, Heart Rate and Stress Hormones of Finishing Pigs - (Abstract Only)
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.
The Effects of Ractopamine on Behavior and Physiology of Finishing Pigs - (Abstract Only)
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.
Application for Behavioral Physiology to Address Challenges in Production Agriculture - (Abstract Only)
LAY JR, D.C. APPLICATION FOR BEHAVIORAL PHYSIOLOGY TO ADDRESS CHALLENGES IN PRODUCTION AGRICULTURE. MEETING ABSTRACT. 2002.
Prenatal and Neonatal Stress in Livestock: Consequences for Production and Well-Being - (Abstract Only)
LAY JR, D.C. PRENATAL AND NEONATAL STRESS IN LIVESTOCK: CONSEQUENCES FOR PRODUCTION AND WELL-BEING. MEETING ABSTRACT. 2002. ABSTRACT P. 150.
Preweaning Survival in Swine - (Peer Reviewed Journal)
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.
Development of the Chicken As a Model for Prenatal Stress - (Peer Reviewed Journal)
LAY JR, D.C., WILSON, M.E. DEVELOPMENT OF THE CHICKEN AS A MODEL FOR PRENATAL STRESS. JOURNAL OF ANIMAL SCIENCE. 2002. V. 80(7). P. 1954-1961.
Management Tips to Reduce Pre-Weaning Mortality - (Abstract Only)
LAY JR, D.C. MANAGEMENT TIPS TO REDUCE PRE-WEANING MORTALITY. NORTH CAROLINA PORK PRODUCERS CONFERENCE. JANUARY 2002.
Guidelines for the Ethical Use of Animals - (Peer Reviewed Journal)
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.
Methods and Measurements to Assess the Physiological State of Livestock - (Abstract Only) - (01-Aug-01)
Methods and Measurements to Assess the Physiological State of Livestock - (Abstract Only)
LAY JR, D.C. METHODS AND MEASUREMENTS TO ASSESS THE PHYSIOLOGICAL STATE OF LIVESTOCK. EUROPEAN ASSOCIATION OF ANIMAL PRODUCTION PROCEEDINGS. 2001. ABSTRACT P. 131.
A Comparison of European and American Policies on Pig Production - (Abstract Only)
LAY JR, D.C. A COMPARISON OF EUROPEAN AND AMERICAN POLICIES ON PIG PRODUCTION. MEETING ABSTRACT. 2001.
Last Modified: 3/10/2010
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