The invention relates to a poultry housing unit, in particular for ducks to lay eggs, a poultry house, in particular for keeping ducks, and a method for keeping ducks. The invention relates to a poultry housing unit for ducks to lay eggs, comprising a plurality of nests arranged one beside the other and above a floor area, at least one supporting element extending in the vertical direction from a lower supporting end to an upper free end and arranged relatively movably in the vertical direction in relation to the floor area, and a locking element which interacts with the supporting element to block movement of the supporting element in a vertically upward supporting direction relative to the floor area and to allow movement of the supporting element relative to the floor area in a vertically downward direction of free motion.
