Table 3b.

Group wise incidence of diarrhoea when the litter with mortality (litter 6) were excluded from the animals presented in table 3a. Comparisons with the infected control group are hatched.

Group		Incidence of Days with Diarrhoea (%)and Significance of differences between groups
		Day 1–7					Day 8–14					Whole period, Day 1–14
		(%)	B	C	D	E	(%)	B	C	D	E	(%)	B	C	D	E
A: Uninfected control	(n = 5)	0%	***	***	***	*	0%	***	***	***	***	0%	***	***	***	***
B: ZnO	(n = 5)	43%				***	26%			*		34%			p = 0.06
C: Meal feed	(n = 5)	43%				**	23%			*		33%			*
D: Infected control	(n = 5)	49%				***	51%					50%				**
E: Probiotic	(n = 5)	11%					43%					27%

Significant differences: * = p < 0.05; ** = p < 0.01 and *** = p < 0.001. (only shown at the row with the lowest group or litter number)