Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Evaluation of the correlation between the muscle fat ratio of pork belly and pork shoulder butt using computed tomography scan

  • Sheena Kim (Department of Animal Biotechnology, Dankook University) ;
  • Jeongin Choi (College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Eun Sol Kim (Department of Animal Biotechnology, Dankook University) ;
  • Gi Beom Keum (Department of Animal Biotechnology, Dankook University) ;
  • Hyunok Doo (Department of Animal Biotechnology, Dankook University) ;
  • Jinok Kwak (Department of Animal Biotechnology, Dankook University) ;
  • Sumin Ryu (Department of Animal Biotechnology, Dankook University) ;
  • Yejin Choi (Department of Animal Biotechnology, Dankook University) ;
  • Sriniwas Pandey (Department of Animal Biotechnology, Dankook University) ;
  • Na Rae Lee (Department of Animal Biotechnology, Dankook University) ;
  • Juyoun Kang (Department of Animal Biotechnology, Dankook University) ;
  • Yujung Lee (College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Dongjun Kim (College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Kuk-Hwan Seol (Planning & Coordination Division, National Institute of Animal Science, Rural Development Administration) ;
  • Sun Moon Kang (Planning & Coordination Division, National Institute of Animal Science, Rural Development Administration) ;
  • In-Seon Bae (Animal Products and Utilization division, National Institute of Animal Science, Rural Development Administration) ;
  • Soo-Hyun Cho (Animal Products and Utilization division, National Institute of Animal Science, Rural Development Administration) ;
  • Hyo Jung Kwon (College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Samooel Jung (Division of Animal and Dairy Science, Chungnam National University) ;
  • Youngwon Lee (College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Hyeun Bum Kim (Department of Animal Biotechnology, Dankook University)
  • Received : 2023.10.10
  • Accepted : 2023.11.09
  • Published : 2023.12.01
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Abstract

This study was conducted to find out the correlation between meat quality and muscle fat ratio in pork part meat (pork belly and shoulder butt) using CT (computed tomography) imaging technique. After 24 hours from slaughter, pork loin and belly were individually prepared from the left semiconductors of 26 pigs for CT measurement. The image obtained from CT scans was checked through the picture archiving and communications system (PACS). The volume of muscle and fat in the pork belly and shoulder butt of cross-sectional images taken by CT was estimated using Vitrea workstation version 7. This assemblage was further processed through Vitrea post-processing software to automatically calculate the volumes (Fig. 1). The volumes were measured in milliliters (mL). In addition to volume calculation, a three-dimensional reconstruction of the organ under consideration was generated. Pearson's correlation coefficient was analyzed to evaluate the relationship by region (pork belly, pork shoulder butt), and statistical processing was performed using GraphPad Prism 8. The muscle-fat ratios of pork belly taken by CT was 1 : 0.86, while that of pork shoulder butt was 1 : 0.37. As a result of CT analysis of the correlation coefficient between pork belly and shoulder butt compared to the muscle-fat ratio, the correlation coefficient was 0.5679 (R2 = 0.3295, p < 0.01). CT imaging provided very good estimates of muscle contents in cuts and in the whole carcass.

Keywords

Acknowledgement

This work was carried out with the support of "Cooperative Research Program for Agriculture Science and Technology Development (Project No. PJ0162112023, RS-2021-RD010001)" Rural Development Administration, Republic of Korea.

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