Width-adjustable pigsty door

The utility model discloses a width-adjustable pigsty door, and relates to the technical field of pigsty doors, the width-adjustable pigsty door comprises a baffle plate, guide pieces and a base, the guide pieces are in butt joint with the two sides of the top end of the baffle plate, the guide pieces are connected with a top plate through rotating seats, and the base is arranged below the baffle plate. When the width-adjustable pig blocking fence door is used, the blocking width of the baffle plate is adjusted through the adjusting mechanism, so that the width of the fence door can correspond to the aisle of an animal house without specially customizing the fence door, dirt adhered to the outer wall of the guide plate is cleaned, and the guide plate is prevented from bringing the dirt into the baffle plate; the baffle is limited through the limiting mechanism, the baffle is prevented from being opened and closed at will, the fence door can be closed only by rotating the baffle without manually pulling a bolt