Fig. 3From: Rapid change of fecal microbiome and disappearance of Clostridium difficile in a colonized infant after transition from breast milk to cow milkWeaning changes the ratio of bacteria phyla in the infant gut. When the infant was weaned off breast milk to cow milk, the Bacteroidetes to Firmicutes ratio increased dramatically and the Actinobacteria to Firmicutes ratio decreased slightly. Weaning happened between sample points day 224 and 230Back to article page