Apparatus for screening poultry at least at night from crawling vermin such as for instance poultry lice

An apparatus intended for keeping poultry, provided with poultry support means (4) an which the poultry, at least at night, roosts, wherein the poultry support means (4) are connected to the fixed world (11) via at least one connection (3, 5, 10), wherein each connection (5) comprises a trap (6) for crawling vermin, such as, for instance, poultry lice, so that poultry present on the poultry support means (4) is screened from the crawling vermin, characterised in that at least the poultry support means (4) are provided with properly abutting smooth surfaces manufactured such and assembled in such a manner that the poultry itself can effectively keep them free of crawling vermin, wherein underneath the poultry support means, girds (2) are provided, which grids (2) rest on longitudinal rods (30) extending in the longitudinal direction of the apparatus, which longitudinal rods (30) are mounted in cross strips (31), which cross strips (31) rest in longitudinal profiles (32), having a triangular shape, which longitudinal profiles (32) extend in the longitudinal direction of the, apparatus and are connected to the portal frames (3), while in the longitudinal profiles (32) spaced apart recesses are provided in which the cross strips (31) rest, so that the cross strips (31) are easily detachable from the longitudinal profiles (32), wherein the height (H) of the cross strips (31) is such that the poultry can reach the underside of these cross strips (31) with their legs;