“…The silos were opened according to the scheduled time and a sub-sample of silages DM, pH, WSC, NDF and ADF were measured with the same methods used in fresh grasses. Ammonia-N was determined by procedures described by [34]. The organic acids were measured in High-performance liquid chromatography )HPLC) 1260 (Agilent Technologies, Inc., Hewlett-Packard-Strasse 8 76337 Waldbronn, Germany; column: Carbomix ® H-NP5, Sepax Technologies, Inc., Newark, DE, USA; detector: refractive indexdetector, Agilent Technologies, Inc Hewlett-Packard-Strasse 8 76337 Waldbronn, Germany; eluent: 0.5 ml/min, 2.5 mmol/L H 2 SO 4 ; temperature: 55 • C).…”