TABLE 1.

Number of E. coli O157:H7 CFU/g of intestinal content at euthanasia on day 43 (rectal group) or day 61 (oral and control groups)

Group	Animal no.	E. coli O157:H7 CFU in intestinal contents ofa:
		Jejunum	Ileum	Cecum	Colon	Rectum
Oral	1	0	0	0	0	1 × 101
	2	0	0	0	0	0
	3	0	0	2 × 103	1.1 × 103	3 × 102
Rectal	1	0	0	0	0	0
	2	0	0	0	0	0
	3	0	0	0	0	0
Control	1	0	0	0	0	1 × 101
	2	0	0	0	0	0
	3	1 × 102	6 × 102	0	0	1 × 102

^aThe number of CFU in gut contents at different locations was determined by direct plating.