Abstract: A roll out and conveyance unit of an egg collector includes endless conveyors which have orbit in the vertical direction on at least portions and are rotationally driven, rotary support portions which support rotation of the endless conveyors, a plurality of egg receiving portions which are attached to the endless conveyors at an equal interval and receive and hold eggs, and a roll out machinery portion which includes an initiation side roll out support portion and a termination side roll out support portion, and discharge plates which are provided so as to project from a termination side rotational shaft of the termination side roll out support portion, make contact with the egg which has been received by the egg receiving portion and has not been rolled out in the vicinity of the termination position to press the egg toward the cumulative egg collection conveyor.