Researchers have reported spoilage in meat at
microbial populations of 8 log CFU/cm2 (James & James, 2000), 7
to 8 log CFU/cm2 (Ayres, 1960) and at least 9 log CFU/cm2 (Dainty,
Shaw, DeBoer, & Scheps, 1975) which were accompanied by microbial
slime formation, off odor and discoloration.