PROBLEM TO BE SOLVED: To provide a door device for livestock barn which an animal entering/leaving a livestock barn hardly contacts.SOLUTION: A door device for livestock barn 1 opens/closes an entrance of a livestock barn for an animal. The door device for livestock barn 1 includes a door body 3 rotatable vertically with respect to the entrance with a horizontal axis X1 as a center and rotatable horizontally with respect to the entrance with a vertical axis Y1 as a center. The entrance is closed based on the vertical and horizontal rotation of the door body 3. The door body 3 is not arranged on a route for an animal to move with the entrance opened and an animal entering/leaving the livestock barn hardly contacts the door body 3 since the entrance is opened/closed based on vertical and horizontal rotation of the door body 3.SELECTED DRAWING: Figure 1
