Feeding by-products to pigs – how do the Dutch do it?

In the past, pigs were mainly fed leftovers from food or household production, to add value to by-products. On an industrial scale, well-organised and monitored, that is still happening in the Netherlands. Which are the most common by-products converted into pig feed? These days, moist feeds are linked to the vicinity of industrial production of foodstuffs and ingredients from grain, potatoes, beets and seeds. After all, a large part of moist by-products finds its destination as a moist animal