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Grass Silage Quality as Affected by Crop Composition and by Additives¹

Massachusetts Agricultural Experiment Station, Amherst

ABSTRACT

One hundred and two lots of silage and the green crops from which they were made were analyzed and the results were then subjected to simple and multiple correlation analysis, to ascertain what influence (if any) the composition of the green crop had on the quality of the resulting silage. Water content of the green crop was of most importance in this respect except when chemical additives were used. Sugar content was of some significance, but chemical and carbohydrate additives had greater influence on silage quality, as indicated by relatively high lactic acid content of the silage and relatively low pH, butyric acid, and volatile bases.

¹ Contribution No. 1227 of the Massachusetts Agricultural Experiment Station.