A survey of feed mills showed that only 40% of mixers were operating within the optimum filling ratios. This could have consequences for feed homogeneity and therefore feed quality.
Most mixer manufacturers suggest an optimum filling ratio of 70-85 % for their mixers. However, a field study that we carried out in ten countries, testing 30 mixing lines in the years 2006 and 2007, found that only 40% of mixers were operating within this range. The others had either a lower or a higher filling ratio.
The wrong filling ratio of the mixer can have a negative influence on feed homogeneity and this effect is more pronounced when liquid ingredients are used.
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Article made possible through the contribution of Evonik Industries.