Inclusion of abandoned rhubarb stalk enhanced anaerobic fermentation of alfalfa on the Qinghai Tibetan Plateau

[Display omitted] •Alfalfa silage was prepared with abandoned rhubarb stalk (RS).•High crude protein level was observed in RS-treated silage.•Addition of RS promoted lactic acid production.•Addition of RS restricted the growth of yeasts in silage.•Addition of RS changed the bacterial community compo...

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