Figure 3

The correlations of the specific bacteria (observed variables) in different intestinal segments with the pre-weaned weight gain. The line charts (upper) are the abundances of the bacteria and the bar charts (below) are showing the pre-weaned weight gain of the piglets. *,** and *** means the correlations are significant at p < 0.05, p < 0.01 and p < 0.001 levels, respectively.