Description of research results, Doctoral Thesis carried out in the Midwest region at the Zootechnics Department of the Federal University of Goi?s-UFG, Goi?nia GO, biomass production, conversion efficiency, apparent nitrogen recovery and bromatological composition of silage from silage millet cultivars ADR 500, ADR 7020, and LABH 70732 subjected to nitrogen fertilization in the cerrado region.