Storage Losses in Silage as Affected by Moisture Content and Structure

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Abstract
Losses reported for particular combinations of moisture content and structure vary widely because of the interacting influences of other factors. Total dry matter losses of 20% or more can be expected under the best conditions if silage is stored at moisture contents above 75%. If good protection from air is provided, lower moisture contents obtained by wilting reduce losses to 5% or less by elimination of seepage and reduced biochemical activity. When faulty silos provide poor protection from air, wilting may increase losses. All types of silos may or may not provide sufficient protection to obtain the reduced losses typical of lowered moisture contents. Condition of the structure and management are critical factors in this connection. Rigid, mechanically sealed silos are most easily managed while dependence on plastic sheeting requires greater managerial skill.