Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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Effect of Electrical and CO2 Stunning Methods on Incidence of PSE Pork

전기 및 CO2 실신에 따른 돈육의 PSE 발생률 비교

  • Published : 2005.04.30
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Abstract

The objective of this study was to investigate the incidence of PSE pork depending on different stunning conditions at slaughterhouse. The carcass weights were significantly lower in the normal pork(74.6 kg) than those in the severe PSE pork(76.9 kg) and light PSE pork(77.0 kg). The groups of PSE pork showing the light or the severe PSE sign had significantly lower backfat thickness and intramuscular fat contents when compared to the normal pork(p < 0.05). The incidences of PSE pork significantly increased with the increase of the electrical stunning voltages such that they were 12.3% with 220V of stunning voltage, 17.41% with 240 V of stunning voltage, 24.91 % with 250 V of stunning voltage and 43.12 % with 430 V of stunning voltage. On the other hand, the incidence of PSE pork was significantly lower in $CO_2$ stunning(33 %) than high-voltage stunning(500 V, 72.96 %) when they were slaughtered with the same slaughtering condition except the stunning method. The $CO_2$ stunning method was very effective to reduce the incidence of PSE pork. Therefore, the result from this study suggested that the stunning methods had a significant effect on the incidence of PSE pork. Also, the low-voltage stunning and $CO_2$ stunning methods were highly recommended to control and maintain the pork quality.

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References

  1. Barton-Gade, P. 1997. The effect of pre-slaughter handling on meat quality of pigs. In: Cranwell, P. D., Editor, 1997. Manipulating pig production VI, S.R. Frankland, Melbourne, Australia, pp. 100-123
  2. Casteels, M., van Oeckel, M., Boschaerts, L., Spincemaille, G. and Boucque, C. V. 1995. The relationship between carcass, meat and eating quality of three pig genotypes. Meat Sci. 40:253-269 https://doi.org/10.1016/0309-1740(94)00053-A
  3. Channon, H. A., Payne, A. M. and Warner, R. D. 2000. Halothane genotype, pre-slaughter handling and stunning method all influence pork quality. Meat Sci. 56:291-299 https://doi.org/10.1016/S0309-1740(00)00056-5
  4. Channon, H. A., Payne, A. M. and Warner, R. D. 2002. Comparison of $CO_2$ stunning with manual electrical stunning(50 Hz) of pigs on carcass and meat quality. Meat Sci. 60:63-68 https://doi.org/10.1016/S0309-1740(01)00107-3
  5. Council Directive(93/119/CEE) of 22 December 1993 on the protection of animals at the time of slaughter or killing
  6. D'Souza, D. N., Warner, R. D., Leury, B. J. and Dunshea, F. R. 1998. The effect of dietary magnesium aspartate supplementation on pork quality. Meat Sci. 76:104-109
  7. Eilert, S. J. 1997. What quality controls are working in the plant? P. 59-63. In: Proc Pork Quality Summit. July 8-9. National Pork Producers Council. Des Moines, IA
  8. Grandin, T. 1994. Methods to reduce PSE and Bloodsplash. Proc. Allen D. Leman Swine Confr. University of MN. 21:206-209
  9. Gregory, N. G. 1994. Preslaughter handling, stunning and slaughter. Meat Sci. 36:45-56 https://doi.org/10.1016/0309-1740(94)90032-9
  10. March, B. B., Cassens, R. G., Kauffman, R. G. and Briskey, E. J. 1972. Hot boning and pork tenderness. J. Food Sci. 37:179-180 https://doi.org/10.1111/j.1365-2621.1972.tb03415.x
  11. Mittchel, G. and Heffron, J. J. A. 1982. Porcine stress syndromes. Advances in Food Research 28: 167-230
  12. Park, B. Y., Cho, I. C., Cho, S. H., Kim, J. H., An, J. N., Hwang, I. H., Lee, S. J., Lee, J. M. and Yoon, S. G. 2002. Critical control points linked to PSE incidence in korea packing plant. 48th ICoMST Vol.1 274-275
  13. Pearson, A. M. 1987. Muscle function and postmortem changes. pp. 155-191. In: The Science of Meat and Meat Products. 3rd Edit. Price and Schwiegert Edit. Food and Nutrition Press Inc. Westport, CN
  14. SAS. 2001. SAS User's Guide. SAS Institute, Gary, NC, USA
  15. Tarrant, P. V. 1989. The effects of handling, transport, slaughter and chilling on meat quality and yield in pigs. pp. 1-25. In: Manipulating Pig Production II. Proc. Biennial Conference of the Australian Pig Science Asoc. Edit. J. L. Barnett and D. P. Hennessy. Warribee, Victoria, Australia
  16. Troeger, K. and Woltersdorf, W. 1990. Electrical stunning and meat quality in the pig. Fleischwirtschaft 70:901-904
  17. Troeger, K. and Woltersdorf, W. 1991. Gas anaesthesia of slaughter pigs. I. Stunning experiments under laboratory conditions with pigs of known halothane reaction type: meat quality, animal protection. Fleischwirtschaft 71:1063-1068
  18. Velarde, A., Gispert, M., Faucitano, L., Alonso, P., Manteca, X. and Diestre, A. 2001. Effects of the stunning procedure and the halothane genotype on meat quality and incidence of haemorrhages in pigs. Meat Sci. 58:313-319 https://doi.org/10.1016/S0309-1740(01)00035-3
  19. Velarde, A., Gispert, M., Faucitano, L., Manteca, X. and Diestre, A. 2000. The effect of stunning method on the incidence of PSE meat and haemorrhages in pork carcasses. Meat Sci. 55:309-314 https://doi.org/10.1016/S0309-1740(99)00158-8
  20. Webb, A. J., Carden, A. E., Smith, C. and Imlah, P. 1982. Porcine stress syndrome in pig breeding. Proc. 2nd World Congr. Genet. Appl. Livest. Prod., Madrid, 5:588-608
  21. 박범영, 이종언, 김일석, 조수현, 김용곤, 이종문, 윤상기. 2003. 돼지의 출하일령, 수송시간 및 계류시간에 따른 PSE 발생률 비교. 동물자원지 45 (3):483-490