DETERMINATION OF THE RELATIOSHIP BETWEEN BODY MASS LOSS AND TOTAL BODY SCORE WITH POSTMORTEM INTERVALS USING LINEAR REGRESSION MODEL BIG PIG, SURFACE, POISON VS BLUT FORCE VS STABBED.

This research aimed to determine the relationship between body mass loss and total body score with postmortem interval using linear regression model. Big pig surface, poison vs blunt force vs stabbed.Domestic pig (sus scrofa) models were used as analogues for human cadavers. This animal is considered to be an excellent model in decomposition studies and is frequently used in taphonomy experiments.Twelve (12) male pigs of Large White breed were grouped into two (2) groups containing six (6) animals each. Group 1, were the juvenile group and group 2 were the adult group. For the juvenile group, the pigs will have an average weight of ±20-25kg and aged ±4 months. For the adult group, the pigs will have an average weight of ±45-50kg and aged ±8 months.The animals were sacrificed with two modes of death namely poisoning, strangulation and blunt force trauma left on designated surfaces (outdoor surface and indoor surface). Climatic observations were also taken for period of 30 days (Morning, Noon and Evening(s). Observations regarding entomological parameters change in temperature of the carrion also for the presence of CDI, Scoring of Total Body Score (TBS) which will used in calculating the Accumulated Degree Days (ADD)and daily regular visible changes were observed for the period of 80 days. The findings reflect an accumulation of visual observations made during visits to the study site. Visual observations were used to analyze the carrion decomposition and describe its stage of decomposition. Our result showed that the larger carcass decomposed at a faster rate during the early decay stage while the difference in the rate of decomposition during the later stages was less pronounced. This implies that high temperatures promote intense insect activity which results in rapid depletion of the soft tissue on the carcass mostly on the surface adult stabbed and surface adult blunt force compare to the poison carrion.In the current study it was found that there was a considerable difference in the rate of decomposition of different mode of death of the carrions. In both groups, decomposition (as reflected by the TBS) initially progressed in a linear fashion relative to the ADD, but became more variable in the later stages