Development of a computed tomographic calibration method for the determination of lean meat content in pig carcasses

Róbert Romvári, A. Dobrowolski, I. Repa, P. Allen, E. Olsen, A. Szabó, P. Horn

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Sixty left sides of pig carcasses were scanned by spiral computed tomography (CT) to measure lean meat weight and percentage. The carcasses were fully dissected and scanned to develop a calibration protocol. Different image analyses were performed on the basis of anatomically defined scans, direct volumetric estimation, body- and grey-scale ranges and using Partial Least Squares (PLS) regression of data provided by CT. The R2 values of the calibrations for lean meat weight were 0.874, 0.976, 0.983 and 0.992, respectively, depending on the method applied. The PLS proved to be the best approach with a calibration RSD of 232 g. When changing from lean meat weight to percentage, the statistical goodness drops to a very small extent (R2 = 0.988, RSD = 0.56). According to the results, the CT method can be recommended as a reference for determining the lean meat content of pig carcasses.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalActa veterinaria Hungarica
Volume54
Issue number1
DOIs
Publication statusPublished - Jan 25 2006

Keywords

  • Computed tomography
  • Methodology
  • Pig carcass grading

ASJC Scopus subject areas

  • veterinary(all)

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