Fig. 1

Dextran sulfate sodium (DSS)-induced colitis was aggravated by oral administration of A. muciniphila to piglets (H&E, × 200). CON, pigs were fed with a basal diet; CA, pigs were gavage every day with 1 × 1011 CFU/10 mL A. muciniphila (DSM 22959); DCON, pigs were fed with a basal diet and challenged by DSS; DA, pigs were gavaged every day with 1 × 1011 CFU/10 mL A. muciniphila (DSM 22959) and challenged by DSS