Transfer rail for animal breeding

The utility model discloses a transfer rail for animal breeding. The device comprises a conveyor belt, collection boxes and transfer rails, the conveying belt is driven by the transmission rollers toconduct transmission. A transfer rail is arranged at the transmission tail end of the conveying belt; a groove is formed in the middle of the transfer rail; a crawler belt is arranged in the groove; the crawler belt is fixedly connected with a base; one end of the base close to the conveyor belt is fixedly connected with a cylinder; the other end of the base is fixedly connected with a supportingblock with the same height as the air cylinder. A piston rod of the air cylinder is fixedly connected with the collecting box; the collecting box is connected with the end, away from the air cylinder,of the supporting block through a pin shaft, a movable side plate is connected to a bottom plate of the collecting box through a hinge, magnets are arranged at the two ends, making contact with the fixed side plate, of the mov