Occurrence of diarrhoea and intestinal pathogens in non-medicated nursery pigs

Table 2 Result of qPCR analysis for Escherichia coli F4 and F18, Brachyspira pilosicoli and Lawsonia intracellularis, in 256 faecal samples from nursery pigs

Pathogen	N (diarrhoea/non-diarrhoea)	% of diarrhoeic pigs^a	% of non-diarrhoeic pigs^a	OR^b	p value^c
E. coli F4	(19/14)	13.3	12.2	1.10	0.94
E. coli F18	(17/12)	11.9	10.5	1.07	0.87
L. intracellularis	(29/23)	20.4	20.2	1.02	0.91
B. pilosicoli	(24/19)	16.9	16.7	1.02	0.91
1 Single pathogen detected	(51/38)	35.9	33.3	1.12	0.77
1 + pathogens detected	(18/14)	12.7	12.3	1.04	0.92
None	(73/62)	51.4	54.4	0.89	0.73
Total	(142/114)

^aPrevalence of positive samples by pathogen divided into diarrhoea status determined by DM analysis
^bOdds ratio (OR) of diarrhoea with presence of pathogens in sample
^cAssociation tested by Chi square-test

ISSN: 1751-0147