Solving the feed structure dilemma with the Kahl Crown Expander

At Victam International 2011 held in Cologne, Germany, the Crown Expander of Amandus Kahl was awarded with a Golden Innovation Award. Dr Heinrich Graf von Reichenbach explains in this article how Kahl with this innovation succeeds in keeping a coarse feed structure and at the same time compress the feed to pellets in an expander system. For some time now and particularly in Germany, but also on a global scale, many have turned away from the hitherto customary fine grinding of pig and poultry fe