
Keywords: Bs، Bacillus subtilis; aADF, acid detergent fiber; aNDF, neutral detergent fiber; Bs, Bacillus subtilis; CHI, chitosan; CON, control; CP, crude protein; DM, dry matter; DMR, dry matter recovery; Lb, Lactobacillus buchneri; TDN, total digestible nutrientAerobic stability; Bacill