The objective of this experiment was to evaluate the nutritive value of 20 sorghum genotype silages. They were ensiled at 104 days of age in laboratory silos made of PVC tubes, which were 40cm in lenght and 10cm in diameter. The silos were opened 150 days after ensiling, and the following characteristics were evaluated: dry matter (DM), DM loss and in vitro dry matter digestibility (IVDMD) A completely randomized design was used, with three replications by treatment and the means were compared using SNK test. The silage DM contents ranged from 23.7 to 31.8% and all of them presented low DM losses. All 20 genotype silages were similar considering the evaluated characteristics, except for IVDMD. The hybrids C22 (62.8%) and CMSXS756 (63.0%) showed the highest values for IVDMD and 547 (54.1%) and C 11(55.5%) the lowest ones.
Sorghum; silage; digestibility; dry matter
