Dynamic profiles of fermentation characteristics and bacterial community composition of Broussonetia papyrifera ensiled with perennial ryegrass.

•Broussonetia papyrifera ensiling with ryegrass in different ratios were studied.•Dynamic profiles of fermentation quality and bacterial community were evaluated.•Increasing mixing ratio of ryegrass resulted in high lactic acid production and low pH values.•Lactobacillus and Weissella dominated during the whole ensiling process.•Co-ensiling help to offer good forage resources for sustainable ruminant production.