SILAGE ADDITIVES

The biochemical and microbiological factors involved in the ensilage process are reviewed, and the effects of wilting and of the various categories of silage additives, stimulants, inhibitors, nutrients and absorbents on these factors are discussed. Some examples are given of the effects of additives on dry matter loss, especially through effluent production, and on voluntary intake and animal production. It is concluded that given appropriate conditions relating to weather, substrate availability and good management, a well-preserved silage may be prepared with relative ease. However, when conditions are less favourable, the use of additives will aid fermentation.