
Keywords: ADF, acid detergent fiber; DM, dry matter; ED, effective degradation; NDF, neutral detergent fiber; RUSITEC, rumen simulation technique; P50, pore size of 50 μm; P30, pore size of 30 μm; P20, pore size of 20 μm; P6, pore size of 6 μmRumen degradation; Por