Fig. 2From: Rapid change of fecal microbiome and disappearance of Clostridium difficile in a colonized infant after transition from breast milk to cow milkGradual pH increase in infant fecal samples. The pH of infant fecal samples collected weekly from 5.5Â months of age (day 1) to 17Â months of age (day 363) were tested. Weaning occurred on day 224. The samples collected before weaning are represented by blue squares while samples collected after weaning are represented by red squares. A gradual pH increase was observed throughout the test periodBack to article page