In this study,the inclusion of Lactobacillus brevis + Enterococcus faecium + L.plantarum was compared to the inoculation with a commercial additive containingstrains of Lactobacillus buchneri and to the silage without additives(control). Silages were prepared in experimental silos and stored for 90 daysbefore opening of the silos. It was evaluated chemical composition of sugarcanebefore and after ensiling process, composition of organic acids and ethanolin the silages, aerobic stability and fermentative losses during the ensilingprocess. Use of compound additive and commercial additive containing strainsof Lactobacillus buchneri increased production of effluents and gas andtotal dry matter losses. Lactic acid content in the silage increased with theuse of compound additive, although this additive had increased content of ethanol(18.6% of DM) compared with the control ensilage (14.4%). Aerobic stabilityin the silage was not influenced by inoculants added into ensilage process.The additives used have impaired the ensiling process of sugarcane.