Fig. 6From: Characteristics of intestinal bacteriophages and their relationship with Bacteria and serum metabolites during quail sexual maturity transitionA co-occurrence network built from gut bacteriophages, bacterial species, and host serum metabolites, highlighting differences in abundance between the day 70 and day 20 groups. The purple and blue dots represent the day 20 and day 70 groups, respectively. Edges between nodes depict Spearman’s negative (light gray) or positive (light red) correlationsBack to article page