Overview of the barn. At the front are the fin- ishers, at the back the breed- ing sows. Be- cause there are no sections, the barn is light and contains a lot of air.


The compound feed consists entirely of residual flows from human food.


limited. The major advantage of this system is that it con- tains few moving parts. The parts that do move are installed at the sides of the barn. We are hopeful that the collected urine can be used as a fertiliser substitute soon.”


Circular feeding The feed that the pigs forage in the straw is circular. The four founders have years of experience in the animal feed business. The pigs will soon receive feed that is completely


The manure tiles under the slats. Urine flows through the holes, and solid manure moves along with the tiles to the end of the range.


sourced from the residual flows of human food. Agreements have been made about this with FeedValid, a company that collects residual flows from, for example, bakeries and su- permarkets. Apart from the already-known flows, the part- ners are also looking at the possibilities of buying leftovers from vegetarian products that are not sold. In addition to the pigs getting their feed separately, it is worth noting that having silos adjacent to the barn is not part of the plan. Nieuwenhuis says, “They will not be


▶ PIG PROGRESS | Volume 37, No. 5/6, 2021


www.pigprogress.net/ worldofpigs


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