ANIMAL BARN FLOOR

The inventions relates to a floor for an animal barn, comprising a slatted floor having a walking surface and at least one slotted through opening that opens out in an underlying manure cellar; and a slot element for reducing the slot opening, wherein the slot opening has a first cross section in a plane parallel to the walking surface, a second cross section perpendicular to the walking surface, and a periphery, wherein the slot opening has a step over at least a part of the periphery at a distance different from zero from the walking surface and from an opposite surface, thereby dividing the slot opening into a first partition extending from the walking surface to the step, and a second partition extending from the step to the opposite surface, wherein the slot element comprises an insert having a top surface and wherein the top surface is provided with a plurality of apertures for the passage of a fluid to the manure cellar, and wherein solids remain at the top surface, and wherein the slot element is inserted into the first partition and supports on the step.