Table 9.

Relation between diarrhoea and presence of pathogenic agents on D0

Pathogenic agents	Results of analysis	Suckling calves (%)		Dairy calves (%)
		Diarrhoea on D0a		Diarrhoea on D0b
		Absence	Presence	Absence	Presence
Cryptosporidium	Absence	36	13.8	79.3	3.9
	Presence	15.4	34.7	14.4	2.4
E. coli K99	Absence	49.5	48.8	90.3	6.3
	Presence	0.3	1.4	3.4	0
Rotavirus	Absence	45.4	40.6	84.8	5.5
	Presence	4.4	9.6	8.9	0.8
Coronavirus	Absence	49.5	43.7	65.8	3.2
	Presence	0.3	6.5	27.9	3.2
Salmonella	Absence	49.7	50	89	6.3
	Presence	0.3	0	4.7	0

^aD0: Inclusion day, 311 calves 4 to 10 days old.

^bD0: Inclusion day, 382 calves 8 to 15 days old.