All fallen stock and culled animals are collected by a rendering company and brought to the relevant processing plant. Fallen ruminants and culled ruminants suffering from a contagious animal disease are classified as category 1 material and are transported to a category 1 processing plant in Denmark. Here, it is processed using pressure sterilisation, and the meat- and bone-meal produced is used as CO-fuel and incinerated in the cement industry at 1200°C. Fallen swine, poultry or other non-ruminants and culled non-ruminants suffering from a contagious animal disease are classified as category 2 material and are transported to a category 2 processing plant. Here, it is processed by pressure sterilisation, and the remains are used as CO-fuel and incinerated or used in bio-gas plants.