Fig. 1

Experimental design. Female rats were fed chow or Caf diet for 6 weeks, then mated with chow fed males. Fecal samples were collected from mothers and pups at weaning (3 weeks of age). Pups were weaned onto chow or Caf diet, and feces were sampled from a subset of offspring at 7 weeks, and from all remaining pups at 14 weeks of age. Experimental groups consisted of Chow Father; Chow Mother; Caf Mother; Chow Weaner; Caf Weaner; ChowChow; ChowCaf; CafChow; CafCaf at both 7 weeks and 14 weeks; ChowCaf 14 weeks; CafChow 14 weeks; and CafCaf 14 weeks