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Table 2 Number of C. perfringens CCUG 2035 on Amies swab before and after storage.

From: Survival of Clostridium perfringensDuring Simulated Transport and Stability of Some Plasmid-borne Toxin Genes under Aerobic Conditions

Prepared suspension (CFU/ml) of C. perfringens No.* of C. perfringens on swab before transport No.* of C. perfringens after transport at room temperature for 24 h No.* of C. perfringens after transport at 4°C for 24 h
0.5 × 105 200 65 60
0.5 × 104 17 15 11
0.5 × 103 4 1 1
0.5 × 102 1 0 0
0.5 × 101 0 0 0
  1. * The average number (n = 2) of C. perfringens colonies on two FAA plates.