Herder B.V brings a new innovation to the market for ditch maintenance. The Gebr. Tolenaars and Herder B.V have agreed that the patent for the Fish Protector MK01 will be taken over by Herder B.V. With the Fish Protector a big step is made in the fish-friendly mowing of the waterways by using flashlights. Recent research has shown that fish mortality decreases significantly. Herder B.V will take over both production as well as the distribution of the Fish Protector.