The effect of chemical additive on the quality of sugar beet pulp silage
2012
Loucka, R., Vyzkumny Ustav Zivocisne Vyroby, Prague (Czech Republic)
The goal of the fermentation experiment with preservation of sugar beet pulp was to ascertain what dose of chemical preservative is necessary to treat sugar beet pulp so that the ensilage produced with it is high-quality and stable. A chemical preservative (containing sodium benzoate and sodium propionate) group 2 quality seal of the German assessment system (DLG) was used for the application; this preservative improves the aerobic stability of ensilages. The preservative was applied in doses of 1, 3 and 6 L/t ensilage. In ensilages without the preservative, as compared to the ensilages with the preservative, the fermentation had more of alcoholic character and took place with higher proteolysis (P less than 0.05). The differences in the results of the fermentation process among ensilages with different preservative doses were insignificant. So a dose of 1 L/t can already be recommended. In the experiment with preservation of cooled pulps ensilaged with three-day delay (left on a heap for three days), the best results were achieved using the chemical preservative in the highest dose tested, 6 L/t.
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