Table 2. Extent of diarrhea intensity expressed as scores based on stools consistency: −, firm feces = no diarrhea; +, soft feces = mild diarrhea; ++, fluid feces = moderate diarrhea; +++, watery feces = severe diarrhea.

Treatment of pigsa	Pig no.	Day of experiment
		1	2	3	4	5	6	7	8	9–13
Noneb	1
	2			++	++	+++	++		++
	3				++	+	+
	4			++	+	+
	5
F4ac+ non-ETEC	1			+	+			++	++
	2			++	++	++	++
	3		++	+++	+++	++	++		++	++
	4	++	+++	++	++	++	++	++	+++	c
	5						+	+	++	++
Levamisole +F4ac+ non-ETEC	1		++	+	+	+			+
	2			+					+
	3	++	++	+++	++	++			++
	4	+++	+++	c
	5			+					+

^aGroups comprised five 4-weeks-old pigs each.

^bControl pigs received saline as a placebo. ^cDied at either Day 9 or Day 3 due to diarrheal disease.