Abstract The objective of this study was to evaluate in vitro and in vivo potential of a specific commercial blend of essential oil active compounds (BEO) to improve rumen fermentation… Click to show full abstract
Abstract The objective of this study was to evaluate in vitro and in vivo potential of a specific commercial blend of essential oil active compounds (BEO) to improve rumen fermentation and general dairy cow performance. First, the main active components of the BEO were identified and quantified. Then, the in vitro experiment was conducted using 24 h batch incubation of buffered rumen fluid. The BEO was added at 0, 20, 100, 200, 600, and 1000 mg/l of culture fluid, with substrate containing forage and concentrate at a ratio of 60:40 dry matter (DM) basis. The concentrations of 600 and 1000 mg/l decreased (P
               
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