TABLE 3.

B. subtilis counts in feces from inbred mice orally inoculated with 2.0 × 10⁹ spores of strain SC1712 in experiment 3

Time (h)	Countsa in mouse:
	1	2	3	4	5	6
24	1.03 × 109	8.40 × 108	1.09 × 109	1.86 × 108	3.93 × 108	8.40 × 108
48	1.92 × 107	1.18 × 107	3.54 × 106	4.32 × 106	3.12 × 107	5.31 × 107
72	1.56 × 107	8.16 × 104	8.20 × 107	1.80 × 105	2.40 × 105	1.33 × 107
96	4.14 × 105	1.16 × 105	2.93 × 107	3.00 × 104	2.20 × 107	9.00t× 103
120	6.00 × 105	4.53 × 105	8.94 × 105	3.00 × 103	1.20 × 104	5.70 × 104
144	5.70 × 104	9.25 × 104	6.00 × 103	1.84 × 104	1.20 × 104	1.20 × 104
168	3.60 × 105	2.40 × 104	6.30 × 106	2.82 × 104	2.50 × 104	1.40 × 104
Total	1.06 × 109	8.52 × 108	1.21 × 109	1.91 × 108	7.27 × 108	9.06 × 108
Ratio relative to inoculum	0.53	0.43	0.61	0.09	0.36	0.45

^aPathogen-free female BALB/c mice (6 to 8 weeks old) were used. Only the count for spores is shown. In the same experiment, feces from control groups of two mice were examined at the same time points, and no counts for B. subtilis SC1712 were detected (data not shown for control groups).