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United States Department of Agriculture

Agricultural Research Service

Related Topics

Heng Wei Cheng
Livestock Behavior Research
General Biological Science

Phone: (765) 494-8022
Fax: (765) 496-1993
Room 216-A

LIVESTOCK BEHAVIOR RESEARCH
125 SOUTH RUSSELL STREET
WEST LAFAYETTE , IN 479072042

Projects
Thermal Perches as Cooling Devices for Reducing Heat Stress in Caged Laying Hens-Purdue
General Cooperative Agreement (A)
  Accession Number: 426095
Thermal Perches as Cooling Devices for Reducing Heat Stress in Caged Laying Hens-U of IL
General Cooperative Agreement (A)
  Accession Number: 426106
Thermal Perches as Cooling Devices for Reducing Heat Stress in Caged Laying Hens
General Cooperative Agreement (A)
  Accession Number: 426988
Safeguarding Well-being of Food Producing Animals
Appropriated (D)
  Accession Number: 425202
Thermal Perches as Cooling Devices for Reducing Heat Stress in Caged Laying Hens
Interagency Reimbursable Agreement (I)
  Accession Number: 425593
DECISION SUPPORT FOR ENVIRONMENTAL MANAGEMENT OF CAGE AND CAGE-ALTERNATIVE LAYER HOUSING SYSTEMS FOR THERMAL COMFORT AND AIR QUALITY
Reimbursable (R)
  Accession Number: 424336
Decision Support for Environmental Management of Cage and Cage-Alternative Layer Housing Systems for Thermal Comfort and Air Quality
Specific Cooperative Agreement (S)
  Accession Number: 427557
Probiotic, Bacillus subtillis, Prevents Feather Pecking and Cannibalism in Laying Hens
Specific Cooperative Agreement (S)
  Accession Number: 429643

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Probiotic supplementation and fast freezing to improve quality attributes and oxidation stability of frozen chicken breast muscle -
Kim, H., Miller, D.K., Yan, F., Wang, W., Cheng, H., Kim, B. 2016. Probiotic supplementation and fast freezing to improve quality attributes and oxidation stability of frozen chicken breast muscle. Food Chemistry. 75:34-41. doi: http://dx.doi.org/10.1016/j.lwt.2016.08.035.
Cooled perch effects on performance and well-being traits in caged White Leghorn hens -
Hu, J., Hester, P.Y., Makagon, M.M., Vezzoli, G., Gates, R.S., Xiong, Y., Cheng, H. 2016. Cooled perch effects on performance and well-being traits in caged White Leghorn hens. Poultry Science. doi: 10.3382/ps/pew248.
The effect of cooled perches on immunological parameters of caged White Leghorn hens during the hot summer months -
Strong, R.A., Hester, P.Y., Eicher, S.D., Hu, J., Cheng, H. 2015. The effect of cooled perches on immunological parameters of caged White Leghorn hens during the hot summer months. PLoS One. 10(10): e0141215. doi:10.1371/journal.pone.0141215.
Acute brief heat stress in late gestation alters neonatal calf innate immune functions -
Strong, R.A., Silva, E.B., Cheng, H., Eicher, S.D. 2015. Acute brief heat stress in late gestation alters neonatal calf innate immune functions. Journal of Dairy Science. 98:7771-7783. doi.org/10.3168/jds.2015-9591.
Functions of Propolis as a natural feed additive in poultry -
Mahmoud, U.T., Cheng, H., Applegate, T. 2015. Functions of Propolis as a natural feed additive in poultry. World's Poultry Science Journal. 72(01): 37-48. doi: 10.1017/S0043933915002731.
Behavioral changes and feathering score in heat stressed broiler chickens fed diets containing different levels of propolis -
Mahmoud, U.T., Abdel-Rahman, M.A., Darwish, M.H., Applegate, T.J., Cheng, H. 2015. Behavioral changes and feathering score in heat stressed broiler chickens fed diets containing different levels of propolis. Applied Animal Behaviour Science. 166:98-105. DOI:10.1016/j.applanim.2015.03.003.
Effect of partial comb and wattle trim on pullet behavior and thermoregulation -
Hester, P.Y., Al-Ramamneh, D.S., Makagon, M.M., Cheng, H. 2015. Effect of partial comb and wattle trim on pullet behavior and thermoregulation. Poultry Science. 94(5):860-866. doi: 10.3382/ps/pev066.
Effect of propolis supplementations on behavioral activities of heat stressed broiler chickens -
The effect of Brazilian Propolis on leg health in broilers reared under heat stress -
The effect of Brazilian propolis on serum thyroid hormones in broilers reared under chronic heat stress -
Methods to address poultry robustness and welfare issues through breeding and associated ethical considerations -
Muir, W.M., Cheng, H., Croney, C. 2014. Methods to address poultry robustness and welfare issues through breeding and associated ethical considerations. Frontiers in Genetics. DOI: 10.3389/fgene.2014.00407.
Serotonin’s role in piglet mortality and thriftiness Reprint Icon -
Dennis, R.L., McMunn, K.A., Cheng, H., Marchant Forde, J.N., Lay Jr, D.C. 2014. Serotonin’s role in piglet mortality and thriftiness. Journal of Animal Science. 92:4888-4896.
Effects of dietary antioxidant on performance and physiological responses following heat stress in laying hens -
Felver-Gant, J.N., Dennis, R.L., Zhao, J., Cheng, H. 2014. Effects of dietary antioxidant on performance and physiological responses following heat stress in laying hens. International Journal of Poultry Science. 13(5):260-271.
The effect of perch availability during pullet rearing and egg laying on the behavior of caged White Leghorn hens Reprint Icon -
Hester, P.Y., Garner, J.P., Enneking, S.A., Cheng, H., Einstein, M.E. 2014. The effect of perch availability during pullet rearing and egg laying on the behavior of caged White Leghorn hens. Poultry Science. 93(10):2423-2431.
The effect of perch access during pullet rearing and egg laying on physiological measurements of stress in 71-week-old White Leghorns -
Yan, F., Hester, P.Y., Dennis, R.L., Cheng, H. 2014. The effect of perch access during pullet rearing and egg laying on physiological measurements of stress in 71-week-old White Leghorns. Poultry Science. 93(6):1318-1326.
The effects of housing environment on liver health of laying hens Reprint Icon -
Jiang, S., Hester, P.Y., Hu, J.Y., Yan, F.F., Dennis, R.L., Cheng, H. 2014. The effects of housing environment on liver health of laying hens. Poultry Science. 93:1618-1622.
Design and performance of cooled perches for alternative egg laying production systems -
Gates, R.S., Enneking, S.A., Xiong, Y., Hester, P.Y., Makagon, M.M., Cheng, H. 2014. Design and performance of cooled perches for alternative egg laying production systems. American Society of Agricultural and Biological Engineers. 14-1901235.
Postnatal piglet husbandry practices and well-being: The effects of alternative techniques delivered in combination -
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.
Differential serotonergic mediation of aggression in roosters selected for resistance and susceptibility to Marek’s disease -
Dennis, R.L., Cheng, H. 2014. Differential serotonergic mediation of aggression in roosters selected for resistance and susceptibility to Marek’s disease. British Poultry Science. 55(1):13-20.
Differential serotonergic mediation of aggression in roosters selected for resistance and susceptibility to Marek's disease Reprint Icon -
Dennis, R.L., Cheng, H. 2014. Differential serotonergic mediation of aggression in roosters selected for resistance and susceptibility to Marek's disease. British Poultry Science. 55(1):13-20.
Effects of early serotonin programming on behavior and central monoamine concentrations in an avian model Reprint Icon -
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.
Effects of perch access on physiological parameters in caged White Leghorn pullets -
Yan, F., Hester, P.Y., Enneking, S.A., Cheng, H. 2013. Effects of perch access on physiological parameters in caged White Leghorn pullets. Poultry Science. 92(11):2853-2859.
Development of an enzyme-linked immunosorbent assay for detection of chicken osteocalcin and its use in evaluation of perch effects on bone remodeling in caged White Leghorns Reprint Icon -
Jiang, S., Cheng, H., Hester, P.Y., Hou, J.F. 2013. Development of an enzyme-linked immunosorbent assay for detection of chicken osteocalcin and its use in evaluation of perch effects on bone remodeling in caged White Leghorns. Poultry Science. 92:1951-1961.
A role for serotonin in piglet preweaning mortality -
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.
Changes of blood parameters associated with bone remodeling following experimentally induced fatty liver disorder in laying hens Reprint Icon -
Jiang, S., Cheng, H., Cui, L.Y., Zhou, Z.L., Hou, J.F. 2013. Changes of blood parameters associated with bone remodeling following experimentally induced fatty liver disorder in laying hens. Poultry Science. 92:1443-1453.
The effect of perch availability during pullet rearing and egg laying on musculoskeletal health of caged White Leghorn hens Reprint Icon -
Hester, P.Y., Enneking, S.A., Haley, B.K., Cheng, H., Einstein, M.E., Rubin, D.A. 2013. The effect of perch availability during pullet rearing and egg laying on musculoskeletal health of caged White Leghorn hens. Poultry Science. 92(8):1972-1980.
The effect of perches in cages during pullet rearing and egg laying on hen performance, foot health, and plumage -
Hester, P.Y., Enneking, S.A., Jefferson-Moore, K.Y., Einstein, M.E., Cheng, H., Rubin, A. 2013. The effect of perches in cages during pullet rearing and egg laying on hen performance, foot health, and plumage. Poultry Science. 92:310-320.
Genetic variations alter production and behavioral responses following heat stress in two strains of laying hens Reprint Icon -
Mack, L.A., Felver-Gant, J.N., Dennis, R., Cheng, H. 2013. Genetic variations alter production and behavioral responses following heat stress in two strains of laying hens. Poultry Science. 92:285-294.
Alterations to embryonic serotonin change aggression and fearfulness Reprint Icon -
Dennis, R.L., Fahey, A.G., Cheng, H. 2013. Alterations to embryonic serotonin change aggression and fearfulness. Aggressive Behavior. 39:91-98.
Pre-pubertal exposure to mechanical loading in White Leghorn pullets -
Enneking, S.A., Cheng, H., Jerrerson-Moore, K.Y., Einstein, M.E., Hester, P.Y. 2012. Pre-pubertal exposure to mechanical loading in White Leghorn pullets. Poultry Science. 91:2114-2120.
Genetic variations alter physiological responses following heat stress in two laying hen strains Reprint Icon -
Felver-Gant, J.N., Mack, L.A., Dennis, R.L., Eicher, S.D., Cheng, H. 2012. Genetic variations alter physiological responses following heat stress in two laying hen strains. Poultry Science. 91:1542-1551.
Effects of different infrared beak treatment protocols on chicken welfare and physiology Reprint Icon -
Dennis, R.L., Cheng, H. 2012. Effects of different infrared beak treatment protocols on chicken welfare and physiology. Poultry Science. 91:1499-1505.
Effects of selective serotonin antagonism on central neurotransmission -
Dennis, R.L., Cheng, H. 2012. Effects of selective serotonin antagonism on central neurotransmission. Poultry Science. 91,817-822.
Effects on selective serotonin antagonism on central neurotransmission -
Dennis, R.L., Cheng, H. 2012. Effects on selective serotonin antagonism on central neurotransmission. Poultry Science. 9(4) 817-822.
Genetic variation in resistance to infection and inflammation -
The dopaminergic system and aggression in laying hens -
Dennis, R.L., Cheng, H. 2011. The dopaminergic system and aggression in laying hens. Poultry Science. 90:2440-2448.
Strain variations in behavioral traits under heat stress in laying hens -
Onion consumption and bone density in laying hens -
The effect of perches installed in conventional cages on White Leghorn pullets -
Changes in the Heat Stress Response of Laying Hens Following Antioxidant Supplementation -
Felver-Gant, J.N., Eicher, S.D., Cheng, H. 2011. Changes in the Heat Stress Response of Laying Hens Following Antioxidant Supplementation. Poultry Science. (E-suppl.1)90:33.
Pork Production System and its Development in Mainland China Reprint Icon -
Cheng, H., Wang, Y., Meng, Q., Guo, J., Wang, Y. 2011. Pork Production System and its Development in Mainland China. International Journal of Fisheries and Aquaculture. 3:166-174.
Gene Expression of Serotonin and Dopamine Receptors and Monoamine Oxidase-A in the Brain of Dominant and Subordinate Pubertal Pigs Fed a ß-Adrenoreceptor Agonist Reprint Icon -
Poletto, R., Steibel, J.P., Cheng, H., Meisel, R.L., Richert, B.T., Marchant Forde, J.N. 2011. Gene Expression of Serotonin and Dopamine Receptors and Monoamine Oxidase-A in the Brain of Dominant and Subordinate Pubertal Pigs Fed a ß-Adrenoreceptor Agonist. Brain Research. 1381:11-20.
Effects of Beak Trimming on Pecking Force Reprint Icon -
Dennis, R.L., Cheng, H. 2010. Effects of Beak Trimming on Pecking Force. International Journal of Poultry Science. 9(3):863-866.
The dopaminergic system and aggression in laying hens -
Dennis, R.L., Cheng, H. 2011. The dopaminergic system and aggression in laying hens. Poultry Science. 90(11): 2440-2448.
Different effects of infrared and one-half hot-blade beak trimming on beak topography and growth -
Marchant Forde, R., Cheng, H. 2010. Different effects of infrared and one-half hot-blade beak trimming on beak topography and growth. Poultry Science. 89(12):2559-2564.
Development Effects of Oxytocin in Piglets by Intranasal or Subcutaneous Administration -
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.
A Comparison of the Long Term Effects of Infrared Beak Treatment and Hot Blade Beak Trimming in Laying Hens -
Dennis, R.L., Cheng, H. 2010. A Comparison of the Long Term Effects of Infrared Beak Treatment and Hot Blade Beak Trimming in Laying Hens. International Journal of Poultry Science. 9:716-719.
Effects of Diet and Handling on Behavioral and Neurophysiological Indicators of Aggression in Growing -
Poletto, R., Richert, B.T., Cheng, H., Meisel, R.L., Marchant Forde, J.N. 2010. Effects of Diet and Handling on Behavioral and Neurophysiological Indicators of Aggression in Growing [abstract]. Journal of Animal Science, American Society of animal Science, Midwest Meeting, March 15-17, 2010, Des Miones, Iowa. 88:48-49 (E-Suppl. 3).
Nutraceutical up-regulation of serotonin paradoxically induces compulsive behavior -
Dufour, B.D., Adeola, O., Cheng, H., Donkin, S., Klein, J.D., Pajor, E.A., Garner, J.P. 2010. Nutraceutical up-regulation of serotonin paradoxically induces compulsive behavior. Nutritional Neuroscience. 13:256-264.
Effects of Early Serotonin Programming on Fear Response, Memory and Aggression -
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.
Pain in Chickens and Effects of Beak Trimming -
Cheng, H. 2010. Pain in Chickens and Effects of Beak Trimming. In: American College of Poultry Veterinarians. Workshop Proceedings Laying Hen and Pullet Well-being, Management and Auditing, April 18, 2010, Vancouver, British Columbia, CA. p.20.
Effects of Heat Stress on Egg Production and Quality in Two Strains of Layers -
Mack, L.A., Felver-Gant, J.N., Dennis, R.L., Cheng, H. 2010. Effects of Heat Stress on Egg Production and Quality in Two Strains of Layers [abstract]. Poultry Science. 89:M311(E-Suppl. 1).
Effects of Different Infrared Beak Treatment Protocols on Chicken Welfare and Physiology -
Dennis, R.L., Cheng, H. 2010. Effects of Different Infrared Beak Treatment Protocols on Chicken Welfare and Physiology [abstract]. Poultry Science. 89:261 (E-Suppl. 1).
Genetic Variations of Physiological Responses Following Heat Stress in Laying Hens -
Felver-Gant, J.N., Mack, L.A., Dennis, R.L., Cheng, H. 2010. Genetic Variations of Physiological Responses Following Heat Stress in Laying Hens [abstract]. Poultry Science. 89:T38(E-Suppl. 1).
Effects of Postnatal Serotonin Agonism on Fear Response and Memory -
Dennis, R.L., Cheng, H. 2010. Effects of Postnatal Serotonin Agonism on Fear Response and Memory [abstract]. Poultry Science. 89:T7(E-Suppl 1).
Aggression in Replacement Grower and Finisher Gilts fed a High-Tryptophan Diet and the Effect of Long-term Human-Animal Interaction Reprint Icon -
Poletto, R., Meisel, R.L., Richert, B.T., Cheng, H., Marchant Forde, J.N. 2010. Aggression in Replacement Grower and Finisher Gilts Fed a High-Tryptophan Diet and the Effect of Long-Term Human-Animal Interaction. Applied Animal Behaviour Science. 122(24):90-110.
Aggression, behavior and peripheral amine concentrations in relation to ractopamine feeding, sex, and social rank of finishing pigs -
Poletto, R., Meisel, R.L., Richert, B.T., Cheng, H., Marchant Forde, J.N. 2010. Aggression, behavior and peripheral amine concentrations in relation to ractopamine feeding, sex, and social rank of finishing pigs. Journal of Animal Science. 88:1184-1194.
Postnatal piglet husbandry practices and well-being: The effects of alternative techniques delivered separately -
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.
Breeding of Tomorrow’s Chickens to Improve Well-Being -
Cheng, H. 2010. Breeding of Tomorrow’s Chickens to Improve Well-Being. Poultry Science. 89(4):805-813.
Effects of Repeated Social Disruption on the Serotonergic and Dopaminergic Systems in two Genetic Lines of White Leghorn Layers -
Fahey, A.G., Cheng, H. 2009. Effects of Repeated Social Disruption on the Serotonergic and Dopaminergic Systems in two Genetic Lines of White Leghorn Layers. Poultry Science. 88:2018-2025.
The Effects of Tail Docking Method on Piglets' Behavioral Responses to a Formalin Pain Test -
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.
Aggressiveness and brain amines in pigs fed the ß-adrenoreceptor agonist Ractopamine Reprint Icon -
Poletto, R., Richert, B.T., Meisel, R.L., Cheng, H., Marchant Forde, J.N. 2010. Aggressiveness and brain amines in pigs fed the ß-adrenoreceptor agonist Ractopamine. Journal of Animal Science. 88:3107-3120.
Furnished Cage System and Hen Well-Being: Comparative Effects of Furnished Cages and Battery Cages on Behavioral Exhibitions in White Leghorn Chickens -
Pohle, K., Cheng, H. 2009. Furnished Cage System and Hen Well-Being: Comparative Effects of Furnished Cages and Battery Cages on Behavioral Exhibitions in White Leghorn Chickens. Poultry Science. 88:1559-1564.
Furnished Cage System and Hen Well-Being: Comparative Effects of Furnished and Battery Cages on Egg Production and Physiological Parameters of White Leghorn Hens -
Pohle, K., Cheng, H. 2009. Furnished Cage System and Hen Well-Being: Comparative Effects of Furnished and Battery Cages on Egg Production and Physiological Parameters of White Leghorn Hens. Poultry Science. 88(8):1559-1564.
Use of Thermography to Screen for Sub-Clinical Bumblefoot in Poultry -
Wilcox, C.S., Patterson, J., Cheng, H. 2009. Use of Thermography to Screen for Sub-Clinical Bumblefoot in Poultry. Poultry Science. 88:1176-1180.
Postnatal piglet husbandry practices and well being: The effects of alternative techniques delivered separately. -
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.
Infared beak treatment method compared with conventional hot blade amputation in laying hens -
Dennis, R.L., Fahey, A.G., Cheng, H. 2009. Infared beak treatment method compared with conventional hot blade amputation in laying hens. Poultry Science. 88:38-43.
Group size and density effects on physical indices and cell-mediated immunity in two genetic lines of White Leghorn layers. -
Fahey, A.G., Cheng, H. 2008. Group size and density effects on physical indices and cell-mediated immunity in two genetic lines of White Leghorn layers.. Poultry Science. 87:2500-2504.
The effects of ractopamine, gender and social rank on aggression and peripheral monoamine levels in finishing pigs. -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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. -
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 Reprint Icon -
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 -
Serotonin and Aggressiveness in Chickens -
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 -
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 -
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 -
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? -
Genetic Variations in Chicken Aggressive Behavior: The Role of Serotonergic System -
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 -
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 -
REDUCED EXPRESSION OF PROTEASOME 26S IN HYPOTHALAMUS OF HEAT STRESSED PIGS AND HYPOTHALAMIC CELLS -
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 -
EFFECTS OF RACLOPRIDE ON AGGRESSION AND STRESS IN DIVERSELY SELECTED CHICKEN LINES -
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 -
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 -
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.
RELATIONSHIP BETWEEN BODY WEIGHT AND BEAK CHARACTERISTICS IN 1 D OLD LAYER CHICKS -
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.
INFRARED BEAK TREATMENT: PART I, COMPARATIVE EFFECTS OF INFRARED AND 1/3 HOT-BLADE TRIMMING ON BEAK TOPOGRAPHY AND GROWTH. -
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.
EFFECTS OF RACLOPRIDE ON AGGRESSION AND STRESS IN DIVERSELY SELECTED CHICKEN LINES -
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.
EFFECTS OF CHRONIC SOCIAL STRESS ON CIRCULATING LEVELS OF HORMONES IN THREE GENETIC STRAINS OF LEGHORN HENS -
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.
INFRARED BEAK TREATMENT: PART III, COMPARATIVE EFFECTS OF INFRARED AND 1/2 HOT-BLADE TRIMMING ON BEAK TOPOGRAPHY AND GROWTH. -
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.
INFRARED BEAK TREATMENT: PART II, COMPARATIVE EFFECTS OF INFRARED AND 1/3 HOT-BLADE TRIMMING ON BEHAVIOR AND FEEDING ABILITY -
Marchant Forde, R., Cheng, H. 2006. Infrared beak treatment: part ii, comparative effects of infrared and 1/3 hot-blade trimming on behavior and feeding ability. Poultry Science Association Meeting Abstract. 85(1):104.
COMPARATIVE EFFECTS OF INFRARED AND HOT-BLADE TRIMMING ON FEEDING BEHAVIOR AND PRODUCTIVITY -
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 -
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 -
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 -
SHORT COMMUNICATIONS: BEHAVIORAL AND PHYSIOLOGICAL INDICATORS OF SENSITIVITY OR CHRONIC PAIN FOLLOWING TAIL-DOCKING IN DAIRY CATTLE -
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 -
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 -
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 -
MORPHOPATHOLOGICAL CHANGES AND PAIN IN BEAK TRIMMED LAYING HENS -
THE IMMUNOMODULATORY EFFECTS OF CLONIDINE, AN ALPHA-2-ADRENERGIC AGONIST, IN LAYING HENS -
GENETIC RELATED DIFFERENCES IN RESPONSE TO CHRONIC STRESS IN LAYING HENS -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
ELECTROENCEPHALOGRAM -
ENDORPHINS -
ENKEPHALINS -
NEURON -
SEROTONIN -
THE CENTRAL NERVOUS SYSTEM -
INFARARED BEAK TREATMENT VS. HOT-BLADE BEAK TRIMMING EFFECTS ON LAYING HEN WELL-BEING -
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 -
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 -
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 -
TOLL-LIKE RECEPTORS 2 (TLR2) AND 4 (TLR4) OF PORCINE BLOOD LEUKOCYTES DURING HEAT-STRESS -
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 -
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 -
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 -
DEVELOPMENT OF SPATIAL MEMORY IN OCCLUSION-EXPERIENCED DOMESTIC CHICKS -
BREEDING FOR PRODUCTIVITY AND WELFARE OF LAYING HENS -
ADRENERGIC REGULATION OF IMMUNITY IN LAYING HENS -
Cheng, H., Lay Jr, D.C., Pajor, E. 2003. Adrenergic regulation of immunity in laying hens. Poultry Science. 82(1):60.
TOLL-LIKE RECEPTOR AND ACUTE PHASE CYTOKINE EXPRESSION IN GENETICALLY SELECTED LINE OF LAYERS FOLLOWING AN LPS CHALLENGE -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
FREIRE, R., CHENG, H. DEVELOPMENT OF SPATIAL COGNITION AND HIPPOCAMPUS STRUCTURE IN DOMESTIC CHICKS. INTERNATIONAL SOCIETY OF APPLIED ETHOLOGY. 2002. ABSTRACT P. 49.
SOCIAL STRESS IN LAYING HENS:DIFFERENTIAL DOPAMINE ANDCORTICOSTERONE RESPONSES FOLLOWING INTERMINGLING DIFFERENT GENETIC STRAIN CHICKENS -
CHENG, H., SINGLETON, P.B., MUIR, W.M. SOCIAL STRESS IN LAYING HENS:DIFFERENTIAL DOPAMINE ANDCORTICOSTERONE RESPONSES FOLLOWING INTERMINGLING DIFFERENT GENETIC STRAIN CHICKENS. POULTRY SCIENCE. 2002. V. 81. P. 1265-1272.
CHRONIC SOCIAL STRESS DIFFERENTIALLY REGULATES NEUROENDOCRINE RESPONSES IN LAYING HENS: I. GENETIC BASIS OF DOPAMINE RESPONSES UNDER THREE DIFFERENT SOCIAL CONDITIONS -
CHENG, H., CHEN, Y., SINGLETON, P.B., MUIR, W.M. CHRONIC SOCIAL STRESS DIFFERENTIALLY REGULATES NEUROENDOCRINE RESPONSES IN LAYING HENS: I. GENETIC BASIS OF DOPAMINE RESPONSES UNDER THREE DIFFERENT SOCIAL CONDITIONS. JOURNAL OF PSYCHONEUROENDOCRINOLOGY. 2003. V. 28. P. 597-611.
CHRONIC SOCIAL STRESS DIFFERENTIALLY REGULATES NEUROENDOCRINE RESPONSES IN LAYING HENS: II. GENETIC BASIS OF ADRENAL RESPONSES UNDER THREE DIFFERENT SOCIAL CONDITIONS -
Cheng, H., Chen, Y., Singleton, P.B., Muir, W.M. 2004. Chronic social stress differentially regulates neuroendocrine responses in laying hens: II. Genetic basis of adrenal responses under three different social conditions. Journal of Psychoneuroendocrinology. 97:961-971.
PHYSIOLOGICAL INDICATORS OF HENS' WELL-BEING ARE RELATED TO GENETIC SELECTIONS FOR ADAPTABILITY TO CAGED PRODUCTION SYSTEMS -
CHENG, H., SINGLETON, P.B., MUIR, W.W. PHYSIOLOGICAL INDICATORS OF HENS' WELL-BEING ARE RELATED TO GENETIC SELECTIONS FOR ADAPTABILITY TO CAGED PRODUCTION SYSTEMS. MEETING ABSTRACT. 2001. P. 325-334.
DIFFERENT REGULATION OF PHYSIOLOGICAL HOMEOSTASIS AND BEHAVIORAL RESPONSE TO SOCIAL STRESS IN TWO GENETICALLY SELECTED LINES OF LAYING HENS -
CHENG, H., FREIRE, R., SINGLETON, P.B., CHEN, Y., PAJOR, E., MUIR, M.W. DIFFERENT REGULATION OF PHYSIOLOGICAL HOMEOSTASIS AND BEHAVIORAL RESPONSE TO SOCIAL STRESS IN TWO GENETICALLY SELECTED LINES OF LAYING HENS. INTERNATIONAL SOCIETY OF APPLIED ETHOLOGY. 2001. V. 35. P. 128.
GENETICALLY DIFFERENTIAL REGULATION OF THE SEROTONIN SYSTEM BETWEEN BLOOD AND BRAIN IN LAYING HENS IN RESPONSE TO SOCIAL STRESS -
CHENG, H., SINGLETON, P.B., CHEN, Y., MUIR, W.M. GENETICALLY DIFFERENTIAL REGULATION OF THE SEROTONIN SYSTEM BETWEEN BLOOD AND BRAIN IN LAYING HENS IN RESPONSE TO SOCIAL STRESS. SOCIETY FOR NEUROSCIENCE. 2001. V. 31. P. 1896.
EFFECT OF GENETIC SELECTION FOR PRODUCTIVITY AND LONGEVITY ON BLOOD CONCENTRATIONS OF SEROTONIN, CATECHALAMINE AND CORTICOSTERONE OF CHICKENS -
CHENG, H., DILLWORTH, G.A., SINGLETON, P.B., CHEN, Y., MUIR, W.M. EFFECT OF GENETIC SELECTION FOR PRODUCTIVITY AND LONGEVITY ON BLOOD CONCENTRATIONS OF SEROTONIN, CATECHALAMINE AND CORTICOSTERONE OF CHICKENS. JOURNAL OF POULTRY SCIENCE. 2001. V. 80. P. 1278-1285.
SOCIAL STRESS INDUCED DIFFERENT ALTERATIONS OF DOPAMINE CONCENTRATIONS AND ADRENAL FUNCTION TO GENETICALLY SELECTED CHICKEN LINES -
CHENG, H., SINGLETON, P.B., CHEN, Y., MUIR, M.W. SOCIAL STRESS INDUCED DIFFERENT ALTERATIONS OF DOPAMINE CONCENTRATIONS AND ADRENAL FUNCTION TO GENETICALLY SELECTED CHICKEN LINES. JOURNAL OF ANIMAL SCIENCE. 2001. V. 80(1). P. 345.
THE RELATIONSHIP BETWEEN PHYSIOLOGICAL PARAMETERS AND BEHAVIORAL RESPONSE TO SOCIAL STRESS AMONG THREE GENETIC LINES OF LAYING HENS -
FREIRE, R., SINGLETON, P.B., CHEN, Y., MUIR, M.W., PAJOR, E., CHENG, H. THE RELATIONSHIP BETWEEN PHYSIOLOGICAL PARAMETERS AND BEHAVIORAL RESPONSE TO SOCIAL STRESS AMONG THREE GENETIC LINES OF LAYING HENS. JOURNAL OF ANIMAL SCIENCE. 2001. V.80(SUPPL.1): ABSTRACT P. 280.
STRESS INDUCED DIFFERENT CHANGES OF IGG CONCENTRATIONS AND HEMATOLOGICAL PARAMETERS IN GENETICALLY SELECTED CHICKEN LINES -
CHEN, Y., SINGLETON, P.B., MUIR, M.W., CHENG, H. STRESS INDUCED DIFFERENT CHANGES OF IGG CONCENTRATIONS AND HEMATOLOGICAL PARAMETERS IN GENETICALLY SELECTED CHICKEN LINES. JOURNAL OF ANIMAL SCIENCE. 2001. V. 80(SUPPL.1): ABSTRACT P. 280.
EFFECT OF GENETIC SELECTION FOR GROUP PRODUCTIVITY AND LONGEVITY ON IMMUNOLOGICAL AND HEMATOLOGICAL PARAMETERS OF CHICKENS -
CHENG, H., EICHER, S.D., CHEN, Y., SINGLETON, P.B., MUIR, W.M. EFFECT OF GENETIC SELECTION FOR GROUP PRODUCTIVITY AND LONGEVITY ON IMMUNOLOGICAL AND HEMATOLOGICAL PARAMETERS OF CHICKENS. JOURNAL OF POULTRY SCIENCE. 2001. V. 80. P. 1079-1086.
EFFECT OF GENETIC SELECTION ON IMMUNOCOMPETENCE IN CHICKEN LINES SELECTED FOR HIGH AND LOW AGGRESSIVENESS -
CHEN, Y., CHENG, H., EICHER, S.D., MUIR, W.M. EFFECT OF GENETIC SELECTION ON IMMUNOCOMPETENCE IN CHICKEN LINES SELECTED FOR HIGH AND LOW AGGRESSIVENESS. SOCIETY FOR NEUROSCIENCE. 2001. V. 26. ABSTRACT P. 1181.
GENETIC SELECTION-INDUCED ALTERATIONS IN EXPRESSION OF CATECHOLAMINE AND SEROTONIN IN CHICKENS -
CHENG, H., DILLWORTH, G.A., MUIR, W.M. GENETIC SELECTION-INDUCED ALTERATIONS IN EXPRESSION OF CATECHOLAMINE AND SEROTONIN IN CHICKENS. INTERNATIONAL SOCIETY OF APPLIED ETHOLOGY. 2000. P. 15.
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