Fig. 2

Measurements of fecal microbiome alpha diversity overall and for two systems at three time points. Measurements at OTU level using the Observed, Chao1, Shannon, Simpson, and Inverse Simpson indices (least squares means ± confidence interval) overall (a) and for Purebred (NU), and Crossbred (TE) (b) at three time points: weaning (TP1), mid test (TP2), and off test (TP3) of the feeding trial