Fig. 1

Venn map of operational taxonomic units (OTU) in the four treatment. T0: BPS replaces 0% of WCS; T25: BPS replaces 25% of WCS; T50: BPS replaces 50% of WCS; T75: BPS replaces 75% of WCS. BPS, Broussonetia papyrifera silage; WCS, whole corn silage