. (A) Whole gut transit time at the day of sacrifice (*n *=* *00--00 in each group), stool output over 00 hours during dark cycle (*n *=* *0 in each group), body weight at the day of sacrifice (*n *=* *00 in each group), and daily food intake over the course of treatment (*n *=* *00 in each group). (B) PCoA plot showing unweighted (left) and weighted (right) UniFrac from the 