In practice, however, problems arise again and again (incorrect air flow, distribution, heating output,...) that have to be corrected at the expense of the farmers or cannot guarantee perfect function under special operating conditions.

The relatively high investment costs hardly allow economical use, and more detailed investigations into the feed quality of the newly developed systems are still missing.

In this scientific activity, individual systems are examined and evaluated with regard to their functional reliability under different operating conditions (feed structure). The transfer of knowledge on this topic is not current and should be improved. Much of the existing knowledge is not available to the interested farmers, or the individual systems are presented and evaluated differently by the companies. It is often not possible for farmers to get a neutral overview of the technologies on offer.

The existing knowledge is to be further imparted via ARGE Heumilch, an association of hay farmers and the food processing industry.