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Broiler stunning methods and their effects on welfare, rigor mortis, and meat quality

Published online by Cambridge University Press:  25 February 2013

P. JOSEPH ,
M.W. SCHILLING ,
J.B. WILLIAMS ,
V. RADHAKRISHNAN ,
V. BATTULA ,
K. CHRISTENSEN ,
Y. VIZZIER-THAXTON  and
T.B. SCHMIDT
P. JOSEPH
Affiliation:
Department of Food Science, Nutrition, and Health Promotion, Box 9805, Mississippi State University, Mississippi State, MS 39762, USA
M.W. SCHILLING*
Affiliation:
Department of Food Science, Nutrition, and Health Promotion, Box 9805, Mississippi State University, Mississippi State, MS 39762, USA
J.B. WILLIAMS
Affiliation:
Department of Food Science, Nutrition, and Health Promotion, Box 9805, Mississippi State University, Mississippi State, MS 39762, USA
V. RADHAKRISHNAN
Affiliation:
Johnsonville Sausage LLC, Sheboygan, WI 53085, USA
V. BATTULA
Affiliation:
Department of Food Science, Nutrition, and Health Promotion, Box 9805, Mississippi State University, Mississippi State, MS 39762, USA
K. CHRISTENSEN
Affiliation:
O.K. Industries, P.O. Box 1119, Fort Smith AR, 72902, USA
Y. VIZZIER-THAXTON
Affiliation:
Department of Poultry Science, Center for Food Animal Wellbeing, 1260 W. Maple POSC 0-202, University of Arkansas, Fayetteville, AR 72701, USA
T.B. SCHMIDT
Affiliation:
Department of Animal and Dairy Sciences, Box 9815, Mississippi State University, Mississippi State, MS 39762, USA
*
Corresponding author: schilling@foodscience.msstate.edu
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Abstract

Broiler stunning is conducted to produce a rapid onset of insensibility prior to slaughter. Though most broiler plants use electrical stunning applications, gas stunning, and low-atmosphere pressure stunning are also available for commercial applications. All three of these stunning methods are able to meet animal welfare requirements and produce meat with acceptable quality. However, each method differs in their mechanisms of stunning, rigor mortis patterns, and physical meat characteristics. In addition, gas stunning and low-atmosphere pressure stunning have received interest over the past decade as part of an effort to further improve animal welfare. Researchers have reported that gas and low-atmosphere pressure stunning both have potential advantages over electrical stunning with respect to broiler welfare and deboning time, which has been attributed to shackling post-stunning. This review paper will focus on these three stunning methods and their impact on animal welfare, physiology, rigor mortis patterns, carcass characteristics, and meat quality.

Keywords

broiler stunningelectrical stunninggas stunninglow-atmosphere pressure stunningwelfarerigor mortismeat quality
Type
Reviews
Information
World's Poultry Science Journal , Volume 69 , Issue 1 , March 2013 , pp. 99 - 112
Copyright
Copyright © World's Poultry Science Association 2013

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References

ABEYESINGHE, S.M., MCKEEGAN, D.E.F., MCLEMAN, M.A., LOWE, J.C., DEMMERS, T.G.M., WHITE, R.P., KRANEN, R.W., BEMMEL, H.V, LANKHAAR, J.A.C. and WATHES, C.M. (2007) Controlled atmosphere stunning of broiler chickens. I. Effects on behaviour, physiology and meat quality in a pilot scale system at a processing plant. British Poultry Science 48: 406-423.CrossRefGoogle Scholar
BAL, A. (2011) Tailor-made stunning for every bird. World Poultry 6(27): 44-46.Google Scholar
AMERICAN VETERINARY MEDICAL ASSOCIATION, (2007) AVMA Guidelines on Euthanasia. Am. Vet. Med. Assoc., Schaumburg, IL. Accessed March 13, 2008. https://www.avma.org/KB/Policies/Documents/euthanasia.pdf.Google Scholar
BATTULA, V., SCHILLING, M.W., THAXTON, Y.V., BEHRENDS, J.B., WILLIAMS, J.B. and SCHMIDT, T.B. (2008) The effects of low atmosphere stunning and deboning time on broiler breast meat quality. Poultry Science 87: 1202-1210.CrossRefGoogle ScholarPubMed
BILGILI, S.F. (1992) Electrical stunning of broilers - basic concepts and carcass quality implications: A Review. Journal of Applied Poultry Research 1: 135-146.CrossRefGoogle Scholar
BILGILI, S.F. (1999) Recent advances in electrical stunning. Poultry Science 78: 282-286.CrossRefGoogle ScholarPubMed
BUTLER, A.B. and COTTERILL, M.J. (2006) Mammalian and avian neuroanatomy and the question of consciousness in birds. The Biological Bulletin 211: 106-127.CrossRefGoogle ScholarPubMed
CHAPMAN, M.L., VANDONGEN, H.M. and VANDONGEN, A.M. (1997) Activation-dependent subconductance levels in the drk1 k channel suggest a subunit basis for ion permeation and gating. Biophysics Journal 72: 708-719.CrossRefGoogle ScholarPubMed
COENEN, A.M.L., LANKHAAR, J., LOWE, J.C. and MCKEEGAN, D.E.F. (2009) Remote monitoring of electroencephalogram, electrocardiogram, and behavior during controlled atmosphere stunning in broilers: Implications for welfare. Poultry Science 88: 10-19.CrossRefGoogle ScholarPubMed
COOK, C.J. (1993) Stunning science-A guide to better electrical stunning. Meat Focus 2(3): 128-131.Google Scholar
COOK, C.J., DEVINE, C.E., TAVENER, A. and GILBERT, K.V. (1992) Contribution of amino acid transmitters to epileptiform activity and reflex suppression in electrically head stunned sheep. Research in Veterinary Science 52: 48-56.CrossRefGoogle ScholarPubMed
COOK, C.J., DEVINE, C.E., GILBERT, K.V., SMITH, D.D. and MAASLAND, S.A. (1995) The effect of electrical head-only stun duration on electroencephalographic-measured seizure and brain amino acid neurotransmitter release. Meat Science 40: 137-147.CrossRefGoogle ScholarPubMed
CRAIG, E.W. and FLETCHER, D.L. (1997) A comparison of high current and low voltage electrical stunning effects on broiler breast rigor development and meat quality. Poultry Science 71: 1178-1181.CrossRefGoogle Scholar
DELL, P., HUGELIN, A. and BONVALLET, M. (1961) Effects of hypoxia on the reticular and cortical diffuse systems, in: THOMAS, C.C., GASTART, H. & MAYER, J.S. (Eds) Cerebral Anoxia and the Encephalogram, pp. 47-58 (Springfield, IL).Google Scholar
DREWNIAK, E.E., BAUSH, E.R. and DAVIS, L.L. (1955) Carbon dioxide immobilisation of turkeys before slaughter: USDA Circular, USDA, Washington, DC: 958.Google Scholar
EISELE, J.H., EGER, E.I. and MUALLEM, M. (1967) Narcotic properties of carbon dioxide in the dog. Anesthesiology 28: 856-865.CrossRefGoogle ScholarPubMed
ERNSTING, J. (1965) The effect of anoxia on the central nervous system, in: GILLIES, J.A. (Ed) A Textbook of Aviation Physiology, pp. 220- 239 (London, UK, Pergamon Press).Google Scholar
EUROPEAN COMMISSION, (2003) Council Directive 93/119/EC. European Commission, Directorate General, Health and Consumer Protection, Brussels, Belgium.Google Scholar
FLEMING, B.K., FRONING, G.W., BECK, M.M. and SOSNICKI, A.A. (1991) The effect of carbon dioxide as a pre-slaughter stunning method for turkeys. Poultry Science 70: 2201-2206.CrossRefGoogle Scholar
FLETCHER, D.L. (1999) Recent advances in poultry slaughter technology. Poultry Science 78: 277-281.CrossRefGoogle Scholar
GERRITZEN, M.A., LAMBOOIJ, E., HILLEBRAND, S.J.W., LANKHAAR, J. and PIETERSE, C. (2000) Behavioural responses of broilers to different gaseous atmospheres. Poultry Science 79: 928-933.CrossRefGoogle ScholarPubMed
GOKSOY, E.O., MC KINSTRY, L.J., WILKINS, L.J., PARKMAN, I., PHILLIPS, A., RICHARDSON, R.I. and ANIL, M.H. (1999) Broiler stunning and meat quality. Poultry Science 78: 1796-1800.CrossRefGoogle ScholarPubMed
GREGORY, N.G. (1989) Stunning and slaughter, in: MEAD, G.C. (Ed) Processing of Poultry, pp. 31-63 (London, UK, Elsevier Sci. Publishers Ltd.).Google Scholar
GREGORY, N.G. (1992) Stunning of broilers. Proceedings of 19th World's Poultry Congress, Volume 2, Ponsen and Looijen, Wageningen, The Netherlands, pp. 345-349.Google Scholar
GREGORY, N.G. (1993) Causes of downgrading in chickens, turkeys and ducks. Broiler Industry 56: 42-45.Google Scholar
GREGORY, N.G. and AUSTIN, S.D. (1992) Causes of trauma in broilers arriving dead at processing plants. Veterinary Record 114: 286-287.Google Scholar
GREGORY, N.G. and WILKINS, L.J. (1989) Effect of stunning current on carcass quality in chickens. Veterinary Record 124: 530-532.CrossRefGoogle Scholar
GREGORY, N.G. and WOTTON, S.B. (1989) Effect of electrical stunning on somatosensory evoked potentials in chickens. British Veterinary Journal 145: 159-164.CrossRefGoogle ScholarPubMed
GREGORY, N.G. and WOTTON, S.B. (1990) Effect of stunning on spontaneous physical activity and evoked activity in the brain. British Poultry Science 31: 215-220.CrossRefGoogle ScholarPubMed
GREGORY, N.G., RAJ, A.B.M., AUDSLEY, A.R.S. and DALY, C.C. (1990) Effects of carbon dioxide on man. Fleischwirtschaft 70: 1173-1174.Google Scholar
GREGORY, N.G., WILKINS, L.J. and WOTTON, S.B. (1991) Effect of electrical stunning frequency on ventricular fibrillation, downgrading and broken bones in broilers, hens and quails. British Veterinary Journal 147: 71-77.CrossRefGoogle ScholarPubMed
GRIFFITHS, G.L. (1985) Electrocution, stunning, and chicken carcass appearance. Proceedings of Australian Stock Feed Conference, Adelaide, Australia, pp. 282-286.Google Scholar
GUYTON. A.C., and HALL, J.E. (2010) Textbook of Medical Physiology. Chapter 43, pp. 527-533, 12th ed. (Philadelphia, PA, Saunders Elsevier).Google Scholar
HEATH, G.E., THALER, A.M. and JAMES, W.O. (1994) A survey of stunning methods currently used during slaughter of poultry in commercial poultry plants. Journal of Applied Poultry Research 3: 297-302.CrossRefGoogle Scholar
HILLEBRAND, S.J.W., LAMBOOIJ, E. and VEERKAMP, C.H. (1996a) The effects of alternative electrical and mechanical stunning methods on hemorrhaging and meat quality of broiler breast and thigh muscles. Poultry Science 75: 664-671.CrossRefGoogle ScholarPubMed
HILLEBRAND, S.J.W., PIETERSE, C. and LAMBOOIJ, E. (1996b) Air pressure stunning of broilers-changes in the spontaneous electroencephalogram, immobilisation and hemorrhaging aspects. Proceedings of the 42nd International Congress of Meat Science and Technology, Lillehammer, Norway, pp. 456-457.Google Scholar
HOEN, T. and LANKHAAR, J. (1999) Controlled atmosphere stunning of poultry. Poultry Science 78: 287-289.CrossRefGoogle ScholarPubMed
HUMANE METHODS OF SLAUGHTER ACT, (1978) United States Code Annotated. United States Department of Agriculture. Title 7: Agriculture, Chapter 48. Sections 1901-1907.Google Scholar
KANG, I.S. and SAMS, A.R. (1999) Bleedout efficiency, carcass damage, and rigor mortis development following electrical stunning or carbon dioxide stunning on shackle line. Poultry Science 78: 139-143.CrossRefGoogle ScholarPubMed
KANNAN, G. and MENCH, J.A. (1996) Influence of different handling methods and crating periods on the plasma corticosterone concentration in broilers. British Poultry Science 37: 21-31.CrossRefGoogle ScholarPubMed
KOTULA, A.W., DREWNIAK, E.E. and DAVIS, L.L. (1957) The effect of carbon dioxide immobilisation on the bleeding of chickens. Poultry Science 36: 585-589.CrossRefGoogle Scholar
KOTULA, A.W., DREWNIAK, E.E. and DAVIS, L.L. (1961) Experimentation with in-line carbon dioxide immobilisation of chickens prior to slaughter. Poultry Science 40: 213-216.CrossRefGoogle Scholar
KRANEN, R.W., LAMBOOIJ, E., VEERKAMP, C.H., VAN KUPPEVELT, T.H. and VEERKAMP, J.H. (2000) Hemorrhages in muscles of broiler chickens. World's Poultry Science Journal 56: 93-126.CrossRefGoogle Scholar
KRANEN, R.W., SCHEELE, C.W., VEERKAMP, C.H., LAMBOOIJ, E., VAN KUPPEVELT, T.H. and VEERKAMP, H. (1998) Susceptibility of broiler chickens to hemorrhages in muscles. The effect of stock and rearing temperature regimen. Poultry Science 77: 334-341.CrossRefGoogle ScholarPubMed
LAMBOOIJ, E., GERRITZEN, M.A., ENGEL, B., HILLEBRAND, S.J.W. and PIETERSE, C. (1999) Behavioral responses during exposure of broilers to different gas mixtures. Applied Animal Behavior Science 62: 255-265.CrossRefGoogle Scholar
LAMBOOIJ, E., REIMERT, H.G.M. and HINDLE, V.A. (2010) Evaluation of head-only electrical stunning for practical application: Assessment of neural and meat quality parameters. Poultry Science 89: 2551-2558.CrossRefGoogle ScholarPubMed
LYON, C.E. and LYON, B.G. (1990) Texture profile of broiler pectoralis major as influenced by post-mortem deboning time and heat method. Poultry Science 69: 329-40.CrossRefGoogle Scholar
MCKEEGAN, D.E.F., ABEYESINGHE, S.M., MCLEMAN, M.A., LOWE, J.C., DEMMERS, T.G.M., WHITE, R.P., KRANEN, R.W., VAN BEMMEL, H., LANKHAAR, J.A.C. and WATHES, C.M. (2007) Controlled atmosphere stunning of broiler chickens: II. Effects on behavior, physiology and meat quality in a commercial processing plant. British Poultry Science 48: 430-442.CrossRefGoogle Scholar
MELDRUM, B. (1975) Epilepsy and GABA-mediated inhibition. International Review of Neurobiology 17: 1-36.CrossRefGoogle Scholar
OFFICIAL JOURNAL OF THE EUROPEAN UNION, (2009) Council Regulation (EC) No. 1099/2009 of 24 Sept. 2009 on the Protection of Animals at the time of killing. pp. 1-30.Google Scholar
OLSON, R. (2002) GABA. in: DAVIS, K., CHARNEY, D., COYLE, J. & NEMEROFF, C. (Eds) Neuropsychopharmacology: The Fifth Generation of Progress (Philadelphia, PA, Lippincott Williams and Wilkins).Google Scholar
PAPINAHO, P.A. and FLETCHER, D.L. (1995) Effect of stunning amperage on broiler breast muscle rigor development and meat quality. Poultry Science 74: 1527-1532.CrossRefGoogle ScholarPubMed
PAPINAHO, P.A. and FLETCHER, D.L. (1996) The effect of stunning amperage and deboning time on early rigor development and breast meat quality of broilers. Poultry Science 75: 672-676.CrossRefGoogle ScholarPubMed
PAPINAHO, P.A., FLETCHER, D.L. and BUHR, R.J. (1995) Effect of electrical stunning amperage and peri-mortem struggle on broiler breast rigor development and meat quality. Poultry Science 74: 1533-1539.CrossRefGoogle ScholarPubMed
POOLE, G.H. and FLETCHER, D.L. (1998) Comparison of a modified atmosphere stunning-killing system to conventional electrical stunning and killing on selected broiler breast muscle rigor development and meat quality attributes. Poultry Science 77: 342-347.CrossRefGoogle ScholarPubMed
POULTRY PRODUCTIONS INSPECTION ACT, (1957) United Stated Department of Agriculture. Title 21: Food and Drugs, Chapter 10: Poultry and Poultry Products Inspection. P.L. 85-172. Sections 451-472. pp. 413-415.Google Scholar
PURSWELL, J.L., THAXTON, J.P. and BRANTON, S.L. (2007) Identifying process variables for a low atmospheric stunning-killing system. Journal of Applied Poultry Research 16: 509-513.CrossRefGoogle Scholar
RADHAKRISHNAN, V., SCHILLING, M.W., THAXTON, V.Y. and CHRISTENSEN, K.D. (2010) The effects of low-atmospheric pressure and electrical stunning on the sensory quality of broiler breast deboned at 45 Minutes and four hours. Institute of Food Technologists Annual Meeting, Chicago, IL, July 17th-20th, 235-11.Google Scholar
RAJ, A.B.M. (1994) Effect of stunning method, carcass chilling temperature and filleting time on the texture of broiler pectoralis muscle. British Poultry Science 35: 77-89.CrossRefGoogle Scholar
RAJ, A.B.M. (1998) Welfare during stunning and slaughter of poultry. Poultry Science 77: 1815-1819.CrossRefGoogle ScholarPubMed
RAJ, A.B.M. and GREGORY, N.G. (1990) Investigation into the batch stunning/ killing of chickens using carbon dioxide or argon-induced hypoxia. Research in Veterinary Science 49: 364-366.Google Scholar
RAJ, A.B.M. and GREGORY, N.G. (1991) Effect of argon stunning, rapid chilling, and early filleting on texture of broiler breast meat. British Poultry Science 32: 741-746.CrossRefGoogle Scholar
RAJ, A.B.M., GREY, T.C., AUDSELY, A.R. and GREGORY, N.G. (1990a) Effect of electrical and gaseous stunning on the carcass and meat quality of broilers. British Poultry Science 31: 725-733.CrossRefGoogle Scholar
RAJ, A.B.M., GREGORY, N.G. and AUSTIN, S.D. (1990b) Prevalence of broken bones in broilers killed by different stunning methods. Veterinary Record 127: 285-287.Google Scholar
RAJ, A.B.M., GREGORY, N.G. and WILKINS, L.G. (1992) Survival rate and carcass downgrading after the stunning of broilers with carbon dioxide-argon mixtures. Veterinary Record 130: 325-328.CrossRefGoogle Scholar
RAJ, A.B.M., WILKINS, L.J., RICHARDSON, R.I., JOHNSON, S.P. and WOTTON, S.B. (1997) Carcass and meat quality in broilers either killed with a gas mixture or stunned with an electric current under commercial processing conditions. British Poultry Science 38: 169-174.CrossRefGoogle ScholarPubMed
RAJ, A.B.M., WOTTON, S.B., MCKINSTRY, J.L., HILLENBRAND, S.J.W. and PIERTERSE, C. (1998) Changes in the somatosensory evoked potentials and spontaneous electroencephalogram of broiler chickens during exposure to gas mixtures. British Poultry Science 39: 686-695.CrossRefGoogle ScholarPubMed
RICHARDS, S.A. and SYKES, A.H. (1967) Physiological effects of stunning and venesection in the fowl. Research in Veterinary Science 8: 361-368.CrossRefGoogle ScholarPubMed
SAMS, A.R. (1996) Stunning basics. Broiler Industry 59: 36-38.Google Scholar
SAMS, A. (1999) Commercial implementation of post mortem electrical stimulation. Poultry science 78: 290-294.CrossRefGoogle Scholar
SAMS, A.R. and DZUIK, C.S. (1995) Gas stunning and post mortem electrical stimulation of broiler chickens. Poultry Meat Quality. Proceedings of XII European symposium on the Quality of Poultry Meat, Zaragoza, Spain, pp. 307-314.Google Scholar
SAVENIJE, B., SCHREURS, F.J.G., WINKELMAN-GOEDHART, H.A., GERRITZEN, M.A., KORF, J. and LAMBOOIJ, E. (2002) Effects of Feed Deprivation and Electrical, Gas, and Captive Needle Stunning on Early Post mortem Muscle Metabolism and Subsequent Meat Quality. Poultry Science 81: 561-571.CrossRefGoogle Scholar
SCHILLING, M.W., SCHILLING, J.K. CLAUS, J.R., , MARRIOTT, N.G., DUNCAN, S. E. and WANG, H. (2003) Instrumental texture assessment and consumer acceptability of cooked broiler breasts evaluated using a geometrically uniform-shaped sample. Journal of Muscle Foods 14: 11-23.CrossRefGoogle Scholar
SMITH, D.C. (1965) Methods of euthanasia and disposal of laboratory animals, in: GAY, W.I. (Ed) Methods of Animal Experimentation, Vol. 1, pp. 167-195 (New York, NY, Academic Press).Google Scholar
THAXTON, Y.V., CHRISTENSEN, K.D., SCHILLING, M.W. BUHR, R.J., and THAXTON, J.P. (2010) A new humane method of stunning broilers using low atmospheric pressure. Journal of Applied Poultry Research 19: 341-348.CrossRefGoogle Scholar
TURCSAN, Z.S., SZIGETI, J., VARGA, L., FARKAS, L., BIRKAS, E. and TURCSAN, J. (2001) The effects of electrical and controlled atmosphere stunning methods on meat and liver quality of geese. Poultry Science 80: 1647-1651.CrossRefGoogle ScholarPubMed
TURCSAN, Z.S., VARGA, L., SZIGETI, J., TURCSAN, J., CSURAK, I. and SZALAI, M. (2003) Effects of electrical stunning frequency and voltage combinations on the presence of engorged blood vessels in goose liver. Poultry Science 82: 1816-1819.CrossRefGoogle ScholarPubMed
UIJTTENBOOGAART, T.G. (1997) Effects of gas and electrical stunning methods on meat quality, in: LAMBOOIJ, E. (Ed) Proceedings Symposium: Alternative Stunning Methods for Poultry, pp. 25-33 (The Netherlands, Utrecht).Google Scholar
VAN LAACK, R.L.J.M., LIU, C.H., SMITH, M.O. and LOVEDAY, H.D. (2000) Characteristics of pale, soft, exudative broiler breast meat. Poultry Science 79: 1057-1061.CrossRefGoogle ScholarPubMed
VEERAMUTHU, G.J. and SAMS, A.R. (1993) The effects of carbon dioxide and electrical stunning on rigor mortis and toughness development in early-harvested broiler breast fillets. Poultry Science 72(1): 147.Google Scholar
VEERKAMP, C.H. (1988) What is the right current to stun and kill broilers? Poultry Misset 4: 30-31.Google Scholar
VEERKAMP, C.H. and DE VRIES, A.W. (1983) Influence of electrical stunning on quality aspects of broilers, in: EIKELENBOOM, G. (Ed) Stunning of Animals for Slaughter, pp. 197-207 (Boston, MA, Martinus Nijhoff Publishers).Google Scholar
WOTTON, S.B. and GREGORY, N.G. (1991) How to prevent pre-stun shocks in water bath stunners. Turkey 39: 15-30.Google Scholar
WOOLLEY, S.C. and GENTLE, M.J. (1988) Physiological and behavioural responses of the domestic hen to hypoxia. Research in Veterinary Science 45: 377-382.CrossRefGoogle ScholarPubMed
XU, L., JI, F., YUE, H.Y., WU, S.G., ZHANG, H.J., ZHANG, L. and QI, G.H. (2011a) Plasma variables, meat quality, and glycolytic potential in broilers stunned with different carbon dioxide concentrations. Poultry Science 90: 1831-1836.CrossRefGoogle ScholarPubMed
XU, L., ZHANG, L., YUE, H.Y., WU, S.G., ZHANG, H.J., JI, F. and QI, G.H. (2011b) Effect of electrical stunning current and frequency on meat quality, plasma parameters, and glycolytic potential in broilers. Poultry Science 90: 1823-1830.CrossRefGoogle ScholarPubMed