The objective of this research was to know the best level urea in kumpai grass (Hymnachne acutigluma) amoniation to the NDF, ADF, Celulosa, Hemicelulosa and Lignin. This research was done in two processes. The first process was making kumpai grass (Hymenachne acutigluma) amoniation within 5 days and the second step was analyzed Van Soest in Laboratorium Nutrisi dan Makanan Ternak Universitas Sr…