Quality and Hygienic Conditions of White Lupin Silage, Affected by Forage Stage of Growth and Use of Silage Additives

摘要

A two-factor field experiment with white lupin cv. Butan was carried out. The first factor was thegreen forage harvest date (the flat pod stage – Cut 1 and the stage of green ripe seeds – Cut 2),while the second one – application of silage additives: biological (strains of lactic acid bacteria) andchemical (a mixture of organic acids), and the control treatment (without additives). In Cut 2higher fresh matter (FM) and dry matter (DM) yields were obtained. Silage inoculated with thebiological additive contained a significantly greater count of lactic acid bacteria. Both additivesreduced counts the Clostridium bacteria, yeasts and mould fungi. The silage with the chemicaladditive had a three-fold higher content of water-soluble carbohydrates (WSC), while the biologicaladditive increased lactic acid (LA) levels. White lupin can be used as a silage raw material, butplants before ensiling should be partially wilted and silage additives should be applied.