Table 1.

Induction of acute enteritis by dextran sulfate sodium administration in mice.

Experiment	Groupa (% DSS)	No. of mice	Period (days)	Weight gain (g)	Grossb blood
1	5	3	7	–1.8 ± 0.1	3/3
	3	3	7	–1.3 ± 0.2	3/3
	2	3	7	–0.6 ± 0.2	3/3
	0	3	7	1.3 ± 0.2	0/3
2	3	4	7	–3.0 ± 1.0	4/4
	0	4	7	1.6 ± 0.9	0/4

^aMice were given distilled water containing 0%, 2%, 3%, and 5% DSS ad libitum.

^bNumber positive/total.