Table 2.

Numbers of faecal and PM samples positive for E. coli ED1a and Nissle 1917 (EcN) in the infected treated (IPro) group.

	Faecal samples											PM samples
Day or sample	D5a	D12	D19	D28	D30	D31	D33	D36	D42	D49		Jejunum	Ileum	Colon	Caecum	Rectum
ED1a	23/23b	23/23	23/23	20/23	13/16	16/21	10/21*	2/23*	1/23*	1/23*		0/23	0/23*	0/23*	0/23*	1/23*
EcN	23/23	23/23	23/23	23/23	16/16	19/21	18/21*	14/23*	10/23*	20/23*		1/23	13/23*	11/23*	8/23*	12/23*

^aAge of piglets;.

^bnumber of positive samples/number of tested samples.All samples from the infected non-treated (INT) group were negative.

^⁎For each day, significant differences are indicated with an asterisk.