Table 2.

ETEC strains received by the courtesy of the SEGES Pig Research centre, Denmark

	Virulence genes (colony PCR)
Animal ID	F4	F18	ST1	ST2	LT	VT2e	Pathology	Piglet age/weight
116387	X			X	X		Catarrhal-haemorrhagic enteritis	Ca. 1 week. Ca. 2 kg
116355	X			X	X		Faeces	N/A
116179	X		X	X	X		Catarrhal-haemorrhagic enteritis	Newly weaned. Ca. 5 kg
116130	X			X	X		Faeces	Ca. 30 kg
116026	X		X	X	X		Catarrhal-haemorrhagic enteritis	2 weeks after weaning. 9 kg
116368		X	X				Faeces	Newly weaned (4 kg)
116358		X			X		Faeces	N/A
116343		X	X	X		X	Edema in colon	9 weeks
116154		X					Faeces	N/A
116086		X		X			Faeces	Newly weaned

These strains were isolated from samples from newly deceased piglets suffering from post-weaning diarrhoea.