Table 3. Significant odds ratios of the presence of C. difficile and E. coli fimbriae genes fae and fedA in sows treated with certain antibiotics (p≤0.05).

Antibiotic agent	C. difficile	E. coli fas	E. coli fedA	Sampling time
Amoxicillin		3.04		antepartum
Enrofloxacin		0.32 2.76	3.29	antepartum postpartum
Lincomycin		0.24 0.22	0.22	antepartum postpartum
Neomycin (oral)			0.15	antepartum
Trimethoprim*	0.51	0.31		antepartum

*in combination with sulfadimidine.