The Physiological Aspects, Technique and Monitoring of Slaughter Procedures and their Effects on Meat Quality – A Review

Becerril-Herrera M., Alonso-Spilsbury M., Lemus-Flores C., Guerrero-Legarretta J., Olmos-Hernandez A., Ramirez-Necoechea R., Mota-Rojas D. (2009). CO₂ stunning may compromise swine welfare compared with electrical stunning. Meat Sci., 81: 233–237.10.1016/j.meatsci.2008.07.025Search in Google Scholar

Blumenfeld H. (2005). Cellular and network mechanisms of spike-wave seizures. Epilepsia, 46 (Suppl. 9): 21–33.10.1111/j.1528-1167.2005.00311.xSearch in Google Scholar

Blumenfeld H., Taylor J. (2003). Why do seizures cause loss of consciousness? The Neuroscientist, 9: 301–310.10.1177/107385840325562414580115Search in Google Scholar

Boissy A., Manteuffel G., Jensen M.B., Moe R.O., Spryijt B., Keeling L.J., Anbert A. (2007). Assessment of positive emotions to improve their welfare. Physiol. Behav., 92: 375–397.10.1016/j.physbeh.2007.02.003Search in Google Scholar

Borzuta K., Lisiak D., Janiszewski P. (2018). Relationship between pork quality and welfare of pigs in the preslaughter period (in Polish). Prz. Hod., 3: 1–4.Search in Google Scholar

Bourguet C., Deiss V., Tannugi C.C., Terlow E.M.C. (2011). Behavioral and physiological reactions of cattle in a commercial abattoir: Relationships with organizational aspects of the abattoir and animal characteristics. Meat Sci., 88: 158–168.10.1016/j.meatsci.2010.12.017Search in Google Scholar

Brandt P., Aaslyng M.D. (2015). Welfare measurements of finishing pigs on the day of slaughter: A review. Meat Sci., 103: 13–23.10.1016/j.meatsci.2014.12.004Search in Google Scholar

Chatelle C., Thibaut A., Whyte J., De Val M.D., Laureys S., Schnakers C. (2014). Pain issues in disorders of consciousness. Brain Injury, 28: 1202–1208.10.3109/02699052.2014.920518Search in Google Scholar

Chwastowska-Siwiecka I., Baryczka M.J. (2019). Machines and devices in the slaughter line of pigs. Gosp. Mięs., 4: 16–24.Search in Google Scholar

Council Directive 93/119/EC of 22 December 1993 on the protection of animals at the time of slaughter or killing.Search in Google Scholar

Council Regulation (EC) No. 1099/2009 of 24 September 2009 on the production of animals at the time of killing.Search in Google Scholar

EFSA Panel on Animal Health and Welfare (2013). Scientific opinion on monitoring procedures of slaughterhouses for pigs. EFSA Journal, 11(12), 3523: 1–62.10.2903/j.efsa.2013.3523Search in Google Scholar

Final Report of European Commission (2017). Preparation of best practices on the protection of animals at the time of killing. Written by ICF in association with SAFOSO and AETS, 9 November.Search in Google Scholar

Finnie J.W., Manavis J., Blumbergs P.C., Summersides G.E. (2002). Brain damage in sheep from penetrating captive bolt stunning. Aust. Vet. J., 80: 67–69.10.1111/j.1751-0813.2002.tb12053.xSearch in Google Scholar

Forslid A., Angustinsson O. (1998). Acidosis, hypoxia and stress hormone release in response to one-minute inhalation of 80% CO₂ in swine. Acta Physiol. Scand., 132: 223–231.10.1111/j.1748-1716.1988.tb08321.xSearch in Google Scholar

Gibson T.J., Dadios N., Gregory N.G. (2015). Effect of neck cut position on time to collapse in halal slaughtered cattle without stunning. Meat Sci., 110: 310–314.10.1016/j.meatsci.2015.03.026Search in Google Scholar

Grandin T. (2013). Recommended animal handling guidelines and audit guide: A systematic approach to animal welfare. AMI Fundation.Search in Google Scholar

Gregory N.G. (2005). Recent concerns about stunning and slaughter. Meat Sci., 70: 481–491.10.1016/j.meatsci.2004.06.026Search in Google Scholar

Gregory N.G., Lee C.J., Widdicombe J.P. (2007). Depth of concussion in cattle shot by penetrating captive bolt. Meat Sci., 77: 499–503.10.1016/j.meatsci.2007.04.026Search in Google Scholar

Gregory N.G., Fielding H.R., von Wenzlawowicz M., von Helleben K. (2010). Time to collapse following slaughter without stunning in cattle. Meat Sci., 85: 66–69.10.1016/j.meatsci.2009.12.005Search in Google Scholar

Jorgensen K.D., Mc Evoy F.J., Larsen H.D., Leifsson P.S., Jansen H.E. (2016). Characterization of hemorrhages in the tenderloins of slaughter pigs. Meat Sci., 121: 250–252.10.1016/j.meatsci.2016.06.026Search in Google Scholar

Jorgensen K.D., Larsen H.D., Leifsson P.S., Jensen H.E. (2017). Characterization of hemorrhages in the ham topsides and tenderloins of slaughter pigs. Meat Sci., 124: 34–38.10.1016/j.meatsci.2016.10.016Search in Google Scholar

Kien S. (1999). Development of pre-slaughter pig stunning methods – a review. Rocz. Inst. Przem. Mięs. Tł., XXXVI, 5–19.Search in Google Scholar

Kim G.D., Lee H.S., Jung E.Y., Lim H.J., Seo H.W., Lee Y.H., Jang S.H., Baek S.B., Joo S.T., Yang H.S. (2013). The effect of CO₂ gas stunning on meat quality of cattle compared with captive bolt stunning. Livest. Sci., 157: 312–316.10.1016/j.livsci.2013.05.025Search in Google Scholar

Lammens V., Van de Water G., Coenegrachts J., Driesssen B., Peeters E., Geers R. (2006). Head current and blood splashes after electrical stunning in relation to characteristics of the pig’s body. Meat Sci., 72: 140–145.10.1016/j.meatsci.2005.06.017Search in Google Scholar

Laureys S. (2005). Science and society: Death, unconsciousness and the brain. Nat. Rev. Neurosci., 6: 899–900.10.1038/nrn1789Search in Google Scholar

Linares M.B., Bornez R., Vergara H. (2007). Effect of different stunning systems on meat quality of light lamb. Meat Sci., 76: 675–681.10.1016/j.meatsci.2007.02.007Search in Google Scholar

Martoft L., Lombolt L., Kolthof C., Rodriguez B.E., Juzen E.W., Jorgensen P.F., Forslid A. (2002). Effect of CO₂ anesthesia an central nervous system activity in swine. Lab. Anim., 36: 115–126.10.1258/0023677021912398Search in Google Scholar

Martoft L., Stodkilde-Jorgensen H., Forslid A., Pedersen H.D., Jorgensen P.F. (2003). CO₂ induced acute respiratory acidosis and brain tissue intracellular pH: A 31p NMR study in swine. Lab. Anim., 37: 241–248.10.1258/002367703766453092Search in Google Scholar

Mc Kinstry J.L., Anil M.H. (2004). The effect of repeat application of electrical stunning on the welfare of pigs. Meat Sci., 67: 121–128.10.1016/j.meatsci.2003.10.002Search in Google Scholar

Mc Lean D., Meers L., Ralph J., Owen J.S., Small A. (2017). Development of microwave energy delivery system for reversible stunning of cattle. Res. Vet. Sci., 112: 13–17.10.1016/j.rvsc.2016.12.010Search in Google Scholar

Nakyinsige K., Man Y.B.C, Aghwan Z.A., Zulkifli J., Goh Y.M., Abu Bakar F., Sazili A.Q. (2013). Stunning and animal welfare from Islamic and scientific perspectives. Meat Sci., 95: 352–361.10.1016/j.meatsci.2013.04.006Search in Google Scholar

Nowak B., Mueffling T.V., Hartung J. (2007). Effect of different carbon dioxide concentrations and exposure times in stunning of slaughter pigs: Impact on animal welfare and meat quality. Meat Sci., 75: 290–298.10.1016/j.meatsci.2006.07.014Search in Google Scholar

Önenç A., Kaya A. (2004). The effect of electrical stunning and percussive captive bolt stunning on meat quality of cattle processed by Turkish slaughter procedures. Meat Sci., 66: 809–815.10.1016/S0309-1740(03)00191-8Search in Google Scholar

Posner J.B., Saper C.B., Schiff N., Plum F. (2008). Plum and Posner’s diagnosis of Stupor and Coma. 4 ed. Oxford University Press.10.1093/med/9780195321319.001.0001Search in Google Scholar

Praca zbiorowa pod red. Gomułki W.S. i Rewerskiego W. (2000). Encyklopedia zdrowia. Tom I, Wyd. 9. Wyd. Nauk. PWN Warszawa, s. 1105.Search in Google Scholar

Praca zbiorowa pod red. Pisuli A. i Pospiecha E. (2011). Mięso – Podstawy Nauki i Technologii. SGGW, Warszawa.Search in Google Scholar

Prost E. (1985). Higiena mięsa (in Polish). PWRiL, 429 pp.Search in Google Scholar

Raj A.M.B., Gregory N.G. (1996). Welfare implications of the gas stunning of pigs. 2. Stress induction of anaesthesia. Anim. Welf., 5: 71–78.10.1017/S0962728600018352Search in Google Scholar

Rodriguez P., Dalman A., Ruiz-de-la-Torre J.L., Manteca X., Jensen E.W., Rodriguez B., Velarde A. (2008). Assessment of unconsciousness during carbon dioxide stunning in pigs. Anim. Welfare, 17: 341–349.10.1017/S0962728600027834Search in Google Scholar

Sabow A.B., Goh Y.M., Zulkifli I., Sazili A.Q., Kaka U., Kadir Z., Ebrahimi M., Nakyinsige K., Adeyemi K. (2016). Blood parameters and electroencephalographic responses of goats to slaughter without stunning. Meat Sci., 121: 148–155.10.1016/j.meatsci.2016.05.009Search in Google Scholar

Sazili A.Q., Norbaiyah B., Zulkifli J., Goh Y.M., Lotfi M., Small A.H. (2013). Quality assessment of longissimus and semitendinosus muscles from beef cattle subjected to non-penetrative and penetrative percussive stunning methods. Asian-Australas J. Anim. Sci., 26: 723–731.10.5713/ajas.2012.12563Search in Google Scholar

Szkucik K. (2000). Relation between bleeding degree of slaughter pigs and the spoilage of pork. Med. Weter., 56: 452–455.Search in Google Scholar

Szkucik K., Wojtuś A., Strawa K. (2001). Evaluation of the degree of bleeding in animals from emergency slaughter. Med. Weter., 57: 327–329.Search in Google Scholar

Tereszkiewicz K., Choroszy K. (2017). Some aspects of exsanguination in pigs. Wiad. Zoot., LV, 1: 39–47.Search in Google Scholar

Tereszkiewicz K., Molenda P., Pokrywka K. (2013). Assesment of slaughter exsanguination rate of Polish Landrace and Polish Large White fatteners. Probl. Hig. Epidemiol., 94: 831–834.Search in Google Scholar

Terlouw C., Arnould C., Auperin B., Berri C., Le Bihan-Duval E., Deiss V., Mounier L. (2008). Pre-slaughter conditions, animal stress and welfare: current status and possible future research. Animal, 2: 1501–1517.10.1017/S1751731108002723Search in Google Scholar

Terlouw C., Bourguet C., Deiss V. (2016 a). Consciousness, unconsciousness and death in the context of slaughter. Part I. Neurobiological mechanisms underlying stunning and killing. Meat Sci., 118: 133–146.10.1016/j.meatsci.2016.03.01127103547Search in Google Scholar

Terlouw C., Bourguet C., Deiss V. (2016 b). Consciousness, unconsciousness and death in the context of slaughter. Part II. Evaluation methods. Meat Sci., 118: 147–156.10.1016/j.meatsci.2016.03.01027086068Search in Google Scholar

Troeger K., Moje M., Schurr B. (2005). Kontrolle der Entbluetung. Fleischwirtschaft, 85: 107–110.Search in Google Scholar

Van de Perre V., Permentier L., de Bie S., Verbecke G., Geers R. (2010). Effect of unloading, lairage, pig handling, stunning and season on pH of pork. Meat Sci., 86: 931–937.10.1016/j.meatsci.2010.07.019Search in Google Scholar

Velarde A., Gisper M., Faucitano L., Manteca X., Diestre A. (2000). The effect of stunning method on the incidence of PSE meat and haemorrhages in pork carcasses. Meat Sci., 55: 309–314.10.1016/S0309-1740(99)00158-8Search in Google Scholar

Vogel K.D., Badtram G., Claus J.R., Grandin T., Turpin S., Weyker R.E., Voogd E. (2011). Head-only followed by cardiac arrest electrical stunning is an effective alternative to head-only electrical stunning in pigs. J. Anim. Sci., 89: 1412–1418.10.2527/jas.2010-2920Search in Google Scholar

Warris P.D. (1984). Exsanguination of animals at slaughter and the residual blood content of meat. Vet. Rec., 115: 292–295.10.1136/vr.115.12.292Search in Google Scholar

Weaver A.L., Wotton S.B. (2009). The Jarvis Beef Stunner: Effects of a prototype chest electrode. Meat Sci., 81: 51–56.10.1016/j.meatsci.2008.06.020Search in Google Scholar

Zivotofsky A.Z., Strous R.D. (2012). A perspective on the electrical stunning of animals: are the lesson to be learned from human electro-convulsive therapy (ECT)? Meat Sci., 90: 956–961.10.1016/j.meatsci.2011.11.039Search in Google Scholar