Intensive antibiotic treatment of sows with parenteral crystalline ceftiofur and tulathromycin alters the composition of the nasal microbiota of their offspring

Table 1 Study design: groups, number of animals and treatments administrated to sows and piglets: (crystalline ceftiofur + tulathromycin treated sows, non-treated piglets, CT_sowN_piglet; crystalline ceftiofur + tulathromycin treated sows, crystalline ceftiofur treated piglets, CT_sowC_piglet; crystalline ceftiofur treated sows, non-treated piglets, C_sowN_piglet)

Group	Number of sows	Sow treatment day		Number of piglets	Piglet treatment day
Group	Number of sows	Crystalline ceftiofur	Tulathromycin	Number of piglets	Crystalline ceftiofur
CT_sowN_piglet	N = 2	D-4, D3, D10 and D17	D-3, D4 and D11	N = 7	–
CT_sowC_piglet	N = 2	D-4, D3, D10 and D17	D-3, D4 and D11	N = 8	D1
C_sowN_piglet	N = 2	D-4, D3, D10 and D17	-	N = 11	–

ISSN: 1297-9716