Projects

Safeguarding Well-Being of Food Producing Animals Appropriated (D)   Accession Number: 414823

Clonidine As a New Strategy for Molting in Laying Hens: Stress Indicators, Alternative Method for Molting, and Practical Implication Grant (G)   Accession Number: 410354

Clonidine As a New Strategy for Molting in Laying Hens: Stress Indicators, Alternative Method for Molting, and Practical Implication Reimbursable (R)   Accession Number: 409534

Heart Rate Variability: Unraveling the Sympatho-Vagal Mechanisms of Stress Responses and Well-Being Status in Pigs Reimbursable (R)   Accession Number: 411117

Publications

The effects of ractopamine, gender and social rank on aggression and peripheral monoamine levels in finishing pigs. - (Abstract)

Poletto, R., Garner, J.P., Cheng, H., Marchant Forde, J.N. 2008. The effects of ractopamine, gender and social rank on aggression and peripheral monoamine levels in finishing pigs. Journal of Animal Science. 86(E.Suppl 2):352.

Effects of alternatives of molting on bird well-being - (Abstract)

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.

Effects of ractopamine feeding, gender and social rank on aggressiveness and monoamine concentrations in different brain areas of finishing pigs - (Abstract)

Poletto, R., Cheng, H., Meisel, R.L., Richert, B.T., Marchant Forde, J.N. 2008. Effects of ractopamine feeding, gender and social rank on aggressiveness and monoamine concentrations in different brain areas of finishing pigs [abstract]. In: Eds. L. Boyle, N. O'Connell and A . Hanlon. Proceedings of the 42nd International Congress of the International Society of Applied Ethology. August 5-9, 2008, Dublin, Ireland. p. 83.

Infrared beak treatment: an alternative to conventional beak trimming - (Abstract)

Dennis, R.L., Fahey, A.G., Cheng, H. 2008. Infrared beak treatment: an alternative to conventional beak trimming [abstract]. Poultry Science Association Meeting Abstract. p. 44.

Different Effects of Individual Identification Systems on Chicken Well-Being - (Peer Reviewed Journal)

Dennis, R., Fahey, A., Cheng, H. 2008. Different Effects of Individual Identification Systems on Chicken Well-Being. Poultry Science. 87:1052-1057.

Genetic variations in chicken aggressive behavior: The role of serotonergic system - (Peer Reviewed Journal)

Dennis, R.L., Cheng, Z.Q., Cheng, H. 2008. Genetic variations in chicken aggressive behavior: The role of serotonergic system. Poultry Science. 87:612-620.

Different Behavioral and Physiological Response in two Genetic Lines of Laying Hens Following Transportation - (Peer Reviewed Journal)

Cheng, H. and Jefferson, L.D. 2008. Different Behavioral and Physiological Response in two Genetic Lines of Laying Hens Following Transportation. Poultry Science. 87:885-892.

Effects of Chronic Intermittent Social Stress on Physical Parameters, Corticosterone Concentrations, and Immune System in two Genetic Lines of White Leghorn Layers - (Peer Reviewed Journal)

Fahey, A.G. and Cheng, H. 2008. Effects of Chronic Intermittent Social Stress on Physical Parameters, Corticosterone Concentrations, and Immune System in two Genetic Lines of White Leghorn Layers. Poultry Science. 87:612-620.

Infrared Beak Treatment: Part I, Comparative Effects of Infrared and 1/3 Hot-blade Trimming on Beak Topography, Focal Behavior and Growth. - (Peer Reviewed Journal)

Marchant Forde, R., Fahey, A.G and, Cheng, H. 2008. Infrared Beak Treatment: Part I, Comparative Effects of Infrared and 1/3 Hot-blade Trimming on Beak Topography, Focal Behavior and Growth.. Poultry Science. 87:1474-1483.

Animal welfare: Should we change housing to better accommodate the animal or change the animal to accommodate the housing - (Peer Reviewed Journal)

Cheng, H. 2007. Animal welfare: Should we change housing to better accommodate the animal or change the animal to accommodate the housing. CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources. http://www.cababstractsplus.org/cabreviews/reviews.asp.

The Effects of Different Bill-Trimming Methods on the Well-Being of Pekin Ducks - (Peer Reviewed Journal) - (02-May-07)

Serotonin and Aggressiveness in Chickens - (Abstract)

Cheng, H., and Dennis, R.L. 2007. Serotonin and Aggressiveness in Chickens [abstract]. International Society of Applied Ethology. p.128.

Marked for Success?: Identification Systems Impact Poultry Welfare - (Popular Publication)

Dennis, R.L., Fahey, A.G., Cheng, H. 2007. Marked for Success?: Identification Systems Impact Poultry Welfare. Scientists Center for Animal Welfare Newsletter (Quarterly). p. 21.

Is carprofen, a non-steroidal anti-inflammatory analgesic, safe for use in Pekin ducks - (Abstract)

Tsumugi, K.A., Cheng, H., Marchant Forde, R. 2007. Is carprofen, a non-steroidal anti-inflammatory analgesic, safe for use in Pekin ducks [abstract]. International Society of Applied Ethology. p. 147.

Genetic Basis of different Effects of Chronic Intermittent Social Stress on Immune Function and Survivability in laying hens - (Abstract)

Fahey, A.G., Marchant Forde, R., Cheng, H. 2007. Genetic Basis of different Effects of Chronic Intermittent Social Stress on Immune Function and Survivability in laying hens [abstract]. Poultry Science Association Meeting Abstract. p. 362.

Can dietary molting replace feed withdrawal molting? - (Abstract) - (02-Apr-07)

Genetic Variations in Chicken Aggressive Behavior: The Role of Serotonergic System - (Abstract)

Dennis, R.L., Cheng, Z.Q., Cheng, H. 2007. Genetic Variations in Chicken Aggressive Behavior: The Role of Serotonergic System [abstract]. Poultry Science Association Meeting Abstract. p. 132.

Different Effects of Individual Identification Systems on Chicken Well-Being - (Abstract)

Dennis, R.L., Fahey, A.G., Cheng, H. 2007. Different Effects of Individual Identification Systems on Chicken Well-Being [abstract]. Poultry Science Association Meeting Abstract. 86(1):362.

Relationship between Body Weight and Beak Characteristics in One-Day-Old White Leghorn Chicks: its implications for beak trimming - (Peer Reviewed Journal) - (28-Feb-07)

Reduced Expression of Proteasome 26s in Hypothalamus of Heat Stressed Pigs and Hypothalamic Cells - (Abstract)

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.

Mechanisms of Agression and Production in Chickens: Genetic Variations in the Functions of Serotonin, Catecholamine, and Corticosterone - (Peer Reviewed Journal) - (08-Feb-07)

Effects of Raclopride on Aggression and Stress in Diversely Selected Chicken Lines - (Peer Reviewed Journal)

Dennis, R.L., Muir, W.M., Cheng, H. 2006. Effects of raclopride on aggression and stress in diversely selected chicken lines. Behavioural Brain Research. 175(1):104.

Effect of selection for resistance and susceptibility to viral diseases on concentrations of dopamine and immunological parameters in six-week-old chickens - (Peer Reviewed Journal)

Dennis, R., Zhang, H.M., Cheng, H.W. 2006. Effect of selection for resistance and susceptibility to viral diseases on concentrations of dopamine and immunological parameters in six-week-old chickens. Poultry Science. 85:2135-2140.

Alternative Piglet Processing Procedures Given Singly Affect Cortisol, Behavior and Growth - (Abstract)

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.

Infrared Beak Treatment: Part I, Comparative Effects of Infrared and 1/3 Hot-Blade Trimming on Beak Topography and Growth. - (Abstract)

Marchant Forde, R., Cheng, H. 2006. Infrared beak treatment: part i, comparative effects of infrared and 1/3 hot-blade trimming on beak topography and growth.. Poultry Science Association Meeting Abstract. 85(1):104.

Relationship Between Body Weight and Beak Characteristics in 1 D Old Layer Chicks - (Abstract)

Fahey, A.G., Marchant Forde, R., Cheng, H. 2006. Relationship between body weight and beak characteristics in 1 d old layer chicks. Poultry Science Association Meeting Abstract. 85(1):104.

Effects of Chronic Social Stress on Circulating Levels of Hormones in Three Genetic Strains of Leghorn Hens - (Abstract)

Fahey, A.G., Marchant Forde, R., Cheng, H. 2006. Effects of chronic social stress on circulating levels of hormones in three genetic strains of leghorn hens. International Society of Applied Ethology. p. 146.

Effects of Raclopride on Aggression and Stress in Diversely Selected Chicken Lines - (Abstract)

Dennis, R.L., Muir, W.M., Cheng, H. 2006. Effects of raclopride on aggression and stress in diversely selected chicken lines. International Society of Applied Ethology. p. 144.

Infrared Beak Treatment: Part Iii, Comparative Effects of Infrared and 1/2 Hot-Blade Trimming on Beak Topography and Growth. - (Abstract)

Marchant Forde, R., Cheng, H. 2006. Infrared beak treatment: part iii, comparative effects of infrared and 1/2 hot-blade trimming on beak topography and growth.. Poultry Science Association Meeting Abstract. 85(1):105.

Comparative Effects of Infrared and Hot-Blade Trimming on Feeding Behavior and Productivity - (Abstract)

Marchant Forde, R., Cheng, H. 2006. Comparative effects of infrared and hot-blade trimming on feeding behavior and productivity. International Society of Applied Ethology. p. 49.

The Impact of Routine Piglet Processing Procedures on Well-Being. Ii. Identification, Iron Administration and Combined Processing - (Abstract)

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.

The Impact of Routine Piglet Processing Procedures on Well-Being. I. Teeth Resection, Tail-Docking, and Castration - (Abstract)

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.

Appearance Matters: Artificial Marking Alters Aggression and Stress - (Peer Reviewed Journal) - (24-Mar-06)

Short Communications: Behavioral and Physiological Indicators of Sensitivity Or Chronic Pain Following Tail-Docking in Dairy Cattle - (Peer Reviewed Journal)

Eicher, S.D., Cheng, H., Sorrells, A.D., Schutz, M.M. 2006. Short communications: behavioral and physiological indicators of sensitivity or chronic pain following tail-docking in dairy cattle. Journal of Dairy Science. 89:3047-3051.

Two Alternative Combinations of Pig Processing Methods Affect Cortisol and Behavior - (Abstract)

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.

Effects of bill-trimming Muscovy ducks on behavior, body weight gain, and bill morphopathology - (Peer Reviewed Journal)

Gustafson, L.A., Cheng, H., Garner, J.P., Pajor, E.A., Mench, J.A. 2007. Effects of bill-trimming Muscovy ducks on behavior, body weight gain, and bill morphopathology. Applied Animal Behavior Science. 103:59-74.

Differential Regulation of the Growth-Associated Proteins Gap-43 and Superior Cervical Ganglion 10 in Response to Lesions of the Cortex and Substantia Nigra in the Adult Rat - (Peer Reviewed Journal) - (14-Dec-05)

Morphopathological Changes and Pain in Beak Trimmed Laying Hens - (Peer Reviewed Journal) - (30-Nov-05)

The Immunomodulatory Effects of Clonidine, An Alpha-2-Adrenergic Agonist, in Laying Hens - (Peer Reviewed Journal) - (21-Nov-05)

Genetic Related Differences in Response to Chronic Stress in Laying Hens - (Abstract)

Marchant Forde, R., Jefferson, L., Cheng, H., Muir, W.M. 2005. Genetic related differences in response to chronic stress in laying hens. International Society of Applied Ethology. p. 68.

Comparative Histology of Duck Bills Following Different Bill Trimming Practices - (Abstract)

Cheng, H., Gustafson, L., Pajor, E.A., Mench, J.A. 2005. Comparative histology of duck bills following different bill trimming practices. Poultry Science Association Meeting Abstract. 84(1):82.

Effects of Bill-Trimming on the Welfare of Ducks - (Abstract)

Gustafson, L., Cheng, H., Garner, J.P., Pajor, E.A., Mench, J.A. 2005. Effects of bill-trimming on the welfare of ducks. International Society of Applied Ethology. p. 56.

Effects of Chronic Stress on Response to Social Isolation in Three Genetic Strains of Leghorn Hens - (Abstract)

Fahey, A., Cheng, H., Marchant Forde, R. 2005. Effects of chronic stress on response to social isolation in three genetic strains of leghorn hens. International Society of Applied Ethology. p. 70.

Behavioral Changes and Production Performance of Laying Hens in Furnished Cages Vs. Conventional Cages - (Abstract)

Cheng, H., Pohle, K.M. 2005. Behavioral changes and production performance of laying hens in furnished cages vs. conventional cages. International Society of Applied Ethology. p. 136.

Effect of Heat Stress on Gene Expression in Hippocampus - (Abstract)

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.

Genetic Selection in Poultry: Physiological Factors Associated with Production and Survivability - (Peer Reviewed Journal)

Cheng, H., Muir, M.W. 2005. Genetic selection in poultry: physiological factors associated with production and survivability. World's Poultry Science Journal. 61:383-398.

Breeding for Productivity and Welfare of Laying Hens - (Book/Chapter)

Muir, W.M., Cheng, H. 2004. Breeding for productivity and welfare of laying hens. In: Perry, G., editor. Welfare of the Laying Hen. Cambridge, MA: CABI Publishing. p. 123-138.

Experience-Dependent Changes in the Hippocampus of Domestic Chicks: a Model for Spatial Memory - (Peer Reviewed Journal)

Freire, R., Cheng, H. 2004. Experience-dependent changes in the hippocampus of domestic chicks: a model for spatial memory. European Journal of Neuroscience. 20(4):1065-1068.

Behavioral and Physiological Features of Chickens Diversely Selected for Resistance to Avian Disease. 1. Selected Inbred Lines Differ for Behavioral and Physical Responses to Social Stress - (Peer Reviewed Journal)

Dennis, R., Zhang, H., Bacon, L.D., Esteves, I., Cheng, H. 2004. Behavioral and physiological features of chickens diversely selected for resistance to avian disease. 1. Selected inbred lines differ for behavioral and physical responses to social stress. Poultry Science. 83(9):1489.

Housing Effect of Behavior & Physiology During a Feed-Withdrawal Molt in Laying Hens: Furnished Cages Vs. Conventional Cages - (Abstract)

Pohle, K., Cheng, H. 2004. Housing effect of behavior & physiology during a feed-withdrawal molt in laying hens: Furnished cages vs. conventional cages. Poultry Science. 83(S1):361.

Effects of Acute Stress on Physical and Hormonal Responses in Three Genetic Strains of Laying Hens - (Abstract)

Jefferson, L., Cheng, H. 2004. Effects of acute stress on physical and hormonal responses in three genetic strains of laying hens. Poultry Science Meeting. 83(S1):361.

Dopamine - (Book/Chapter) - (27-May-04)

Electroencephalogram - (Book/Chapter) - (27-May-04)

Endorphins - (Book/Chapter) - (27-May-04)

Enkephalins - (Book/Chapter) - (27-May-04)

Neuron - (Book/Chapter) - (27-May-04)

Serotonin - (Book/Chapter) - (27-May-04)

The Central Nervous System - (Book/Chapter) - (27-May-04)

Infarared Beak Treatment Vs. Hot-Blade Beak Trimming Effects on Laying Hen Well-Being - (Abstract)

Cheng, H., Horn, N.L., Wilcox, C.S. 2004. Infarared beak treatment vs. hot-blade beak trimming effects on laying hen well-being. International Society of Applied Ethology. 38:195.

Effects of Bill-Trimming on the Welfare of Muscovy Ducks - (Abstract)

Gustafson, L., Cheng, H., Pajor, E., Mench, J.A. 2004. Effects of bill-trimming on the welfare of muscovy ducks. Poultry Science. 22:207.

Marked for Stress - (Abstract)

Dennis, R., Estevez, I., Cheng, H. 2004. Marked for stress. International Society of Applied Ethology. p. 18.

Acute and Chronic Pain in Beak Trimmed Chickens - (Book/Chapter) - (18-Apr-04)

Toll-Like Receptors 2 (Tlr2) and 4 (Tlr4) of Porcine Blood Leukocytes During Heat-Stress - (Abstract)

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.

Neurophysiologic Regulation and Animal Well-Being in Poultry Laying Hens - (Proceedings/Symposium)

Cheng, H. 2003. Neurophysiologic regulation and animal well-being in poultry laying hens. Trends in Agricultural Science. p. 15.

Different Effects of Endotoxin Stress on Chickens from Different Genetic Lines: I. Sickness Behavioral and Physical Responses - (Peer Reviewed Journal)

Cheng, H., Freire, R., Pajor, E. 2004. Different effects of endotoxin stress on chickens from different genetic lines: I. Sickness behavioral and physical responses. Poultry Science. 83:707-715.

Behavior of Chicks after Beak Trimming: Indicators of Pain and Welfare - (Abstract) - (04-Dec-03)

Development of Spatial Memory in Occlusion-Experienced Domestic Chicks - (Peer Reviewed Journal) - (01-Aug-03)

Breeding for Productivity and Welfare of Laying Hens - (Proceedings/Symposium) - (17-Jul-03)

Toll-Like Receptor and Acute Phase Cytokine Expression in Genetically Selected Line of Layers Following An Lps Challenge - (Abstract)

EICHER, S.D., CHENG, H. TOLL-LIKE RECEPTOR AND ACUTE PHASE CYTOKINE EXPRESSION IN GENETICALLY SELECTED LINE OF LAYERS FOLLOWING AN LPS CHALLENGE. ARS IMMUNOLOGY WORKSHOP. 2003. V. 17:C51.

Housing Effect on Behavior and Production Performance of Laying Hens: Enriched Vs. Conventional Cages - (Abstract)

POHLE, K., CHENG, H. HOUSING EFFECT ON BEHAVIOR AND PRODUCTION PERFORMANCE OF LAYING HENS: ENRICHED VS. CONVENTIONAL CAGES. POULTRY SCIENCE. 2003.

Bone Mineral Density of Laying Hens Housed in Enriched Versus Conventional Cages - (Abstract)

KOPKA, M.N., CHENG, H., HESTER, P.Y. BONE MINERAL DENSITY OF LAYING HENS HOUSED IN ENRICHED VERSUS CONVENTIONAL CAGES. POULTRY SCIENCE. 2003.

Toll-Like Receptor 2 and Acute Phase Cytokine Responses by Genetically Selected Chickens Following An Lps Challenge - (Abstract)

EICHER, S.D., CHENG, H. TOLL-LIKE RECEPTOR 2 AND ACUTE PHASE CYTOKINE RESPONSES BY GENETICALLY SELECTED CHICKENS FOLLOWING AN LPS CHALLENGE. JOURNAL OF IMMUNOLOGY. 2003. P. 28.

Social Stress in Laying Hens: Differential Effect of Stress on Plasma Dopamine Concentrations and Adrenal Function in Genetically Selected Chickens - (Peer Reviewed Journal)

CHENG, H., SINGLETON, P.B., MUIR, W.M. SOCIAL STRESS IN LAYING HENS: DIFFERENTIAL EFFECT OF GENETIC-ENVIRONMENTAL INTERACTIONS ON PLASMA DOPAMINE CONCENTRATIONS AND ADRENAL FUNCTION IN GENETICALLY SELECTED CHICKENS. POULTRY SCIENCE. 2003. V. 82. P. 192-198.

Differential Physiological Responses to Lps Injection in Chickens from Different Genetic Lines - (Abstract)

CHENG, H., FREIRE, R., MUIR, W.M. DIFFERENTIAL PHYSIOLOGICAL RESPONSES TO LPS INJECTION IN CHICKENS FROM DIFFERENT GENETIC LINES. SOCIETY FOR NEUROSCIENCE. 2002. V. 32. ABSTRACT P. 304.3.

Morphological and Physiological Responses to Induced Molting in Laying Hens - (Abstract)

CHENG, H., FREIRE, R. MORPHOLOGICAL AND PHYSIOLOGICAL RESPONSES TO INDUCED MOLTING IN LAYING HENS. MEETING ABSTRACT. 2002. P. 100.

Behavioral Responses to Induced Molting in Laying Hens - (Abstract)

CHENG, H., FREIRE, R. BEHAVIORAL RESPONSES TO INDUCED MOLTING IN LAYING HENS. POULTRY SCIENCE ASSOCIATION MEETING ABSTRACT. 2002. V. 80(SUPPL.1): ABSTRACT P. 102.

Development of Spatial Cognition and Hippocampus Structure in Domestic Chicks - (Abstract)

FREIRE, R., CHENG, H. DEVELOPMENT OF SPATIAL COGNITION AND HIPPOCAMPUS STRUCTURE IN DOMESTIC CHICKS. INTERNATIONAL SOCIETY OF APPLIED ETHOLOGY. 2002. ABSTRACT P. 49.