Feeding device

The feeding device comprises a shell with an inner cavity, and the shell comprises a mounting opening; the lifting plate is used for covering the mounting opening and can move up and down along the mounting opening, and the lifting plate comprises a feeding hole penetrating into the inner cavity of the shell from the outer side surface of the lifting plate; the lifting plate is configured to control the position of the feeding hole in the mounting opening; the feeding box is located in the inner cavity of the shell and can move up and down in the vertical direction, so that the feeding box corresponds to the feeding hole; a nipple communicated with an inner cavity of the feeding box is arranged on the side, facing the feeding hole, of the feeding box, and the calf sucks feed in the feeding box through the nipple. According to the feeder, calves of different heights can suck feed in the feeding box, the calves can freely eat the feed, feeding of cows cannot be disturbed, weaning of the calves in the later peri