Asian-Australasian Journal of Animal Sciences

Asian Australasian Association of Animal Production Societies (아세아태평양축산학회)
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Effects of additional electrical stimulation and pre-rigor conditioning temperature on the ageing potential of hot-boned bovine muscles

  • Balan, Prabhu (Alpha-Massey Natural Nutraceutical Research Centre, Riddet Institute, Massey University) ;
  • Farouk, Mustafa M. (AgResearch Ltd, Ruakura Research Centre) ;
  • Staincliffe, Maryann (AgResearch Ltd, Ruakura Research Centre) ;
  • Stuart, Adam D (AgResearch Ltd, Ruakura Research Centre) ;
  • Kemp, Robert (AgResearch Ltd, Ruakura Research Centre) ;
  • Craigie, Cameron (AgResearch Ltd, Ruakura Research Centre)
  • Received : 2019.10.10
  • Accepted : 2019.11.17
  • Published : 2020.10.01
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Abstract

Objective: The aim of this study is to characterize the impact of additional electrical stimulation (AES) and various pre-rigor holding temperatures (for 3 h) on the ageing-potential of hot boned bovine M. longissimus lumborum (LL). Methods: Paired LL loins from 12 bulls were hot-boned within 40 min of slaughter, immediate AES applied and subjected to various holding temperatures (5℃, 15℃, 25℃, and 35℃) for 3 h. Results: AES did not accelerate the rate of rigor attainment, but the 3 h pre-rigor holding temperature did. Shear force values decreased as the pre-rigor holding temperatures increased. AES and holding for 3 h (at 25℃) resulted in higher water-holding capacity. Conclusion: Data confirmed that AES did not influence the various meat quality parameters in the present study, but pre-rigor holding temperature (25℃) alone or in combination with AES resulted in superior meat quality.

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References

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