Active-substance concentrate

摘要

Active-substance concentrate that is a free-flowing powder with a content of active substance amounting to 85 to 98 wt.-%, 3 to 7 wt.-% hydrophobic silicon-dioxide variant and maximally 0.5 wt.-% water is prepared by a suspension being produced from the aqueous active-substance solution and the hydrophobic silicon-dioxide variant and by this suspension subsequently being spray-dried. The active-substance concentrate may be employed as a feed supplement in premixes and mixed feeds.