Table 3

 Quantification of bacterial load in the gut of formerly germ free BALB/c and C.B17.SCID mice monoassociated with Schaedler’s E coli

MiceDays after colonisationAverage/CFU/g ×105
Small intestineCaecumLarge intestine
Total CFU/g ×105 of luminal contents from the small intestine, caecum, and large intestine was calculated by determining the colony forming units (CFU)/plate × volume dilution × serial dilution (n = 3 mice/time point).
BALB/c14264.0 (12.7)2000.0 (200.0)5860.8 (100.0)
3049.3 (2.5)1420.0 (40.0)2133.3 (70.5)
SCID1448.5 (12.0)120.6 (25.2)83.1 (30.3)
307.2 (0.1)20.0 (7.0)46.8 (20.1)