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Related Experiment Videos

Postmortem interval estimation by biochemical determination in birds muscle.

F G Gallois-Montbrun1, D R Barrès, M Durigon

  • 1Department of Clinical and Forensic Pathology, Hospital R. Poincaré, Garches, France.

Forensic Science International
|May 1, 1988
PubMed
Summary

Estimating time since death in chickens can be accurately done using biochemical markers in pectoral muscle. Creatinine concentration showed the strongest positive correlation with postmortem interval.

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Area of Science:

  • Forensic science
  • Biochemistry
  • Animal science

Background:

  • Accurate postmortem interval (PMI) estimation is crucial in forensic investigations and animal science.
  • Biochemical markers in muscle tissue offer potential for PMI determination.

Purpose of the Study:

  • To evaluate biochemical components in hen pectoral muscle for estimating postmortem interval.
  • To identify biochemical indicators with significant correlation to time after death.

Main Methods:

  • Assaying various biochemical components in hen pectoral muscle postmortem.
  • Analyzing the correlation between biochemical markers and the postmortem interval.

Main Results:

  • Percentage of non-protein nitrogen on total soluble protein, aspartate amino transferase activity, and creatinine concentration showed significant correlation with PMI.

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  • Aspartate amino transferase exhibited a negative correlation, while non-protein nitrogen percentage and creatinine showed positive correlations with PMI.
  • Creatinine concentration demonstrated the strongest correlation (0.925) with the postmortem interval.

    • Conclusions:

    • Biochemical analysis of hen pectoral muscle provides a reliable method for postmortem interval estimation.
    • Creatinine concentration is a highly accurate biomarker for determining time since death in poultry.
    • Non-protein nitrogen percentage and aspartate amino transferase activity also serve as valuable, albeit less precise, indicators for PMI.