Floor construction element for a horse stable with a cover surface element (6) and a support device for support against a floor (1), wherein the cover surface element (6) has a variety of passage openings (5, 50) and by the supporting device between the floor (1) and the cover surface element (6) at least one drainage cavity (4) is formed by way of which liquid excretions of the horse can be drained out, wherein the passage openings (5, 50) are arranged in an evenly distributed manner over the cover surface element, wherein bridges (110) run for supporting or stiffening between the passage openings (5, 50), and wherein the passage openings (50) are each defined by an arrangement of a number of screen openings (71) which are formed in the cover surface element (6), or a screen element (7) with a plurality of screen openings (70) is inserted in the passage openings, wherein the screen openings (70, 71) are permeable to the liquid excretions, but prevent the entry of relatively large, solid particles into at least one drainage cavity (4) and the clogging of the passage openings (5, 50), whereby the diameter or opening width (k) of the screen openings (70, 71) is much smaller than the diameter D or the opening width of the passage openings (5, 50) and the thickness (C) of the screen element (7) or the depth of the screen openings (70, 71) is much smaller than the diameter D or the opening width of the passage openings (5, 50).
