An apparatus for controlling consumption of a bale of feed material by livestock may include a perimeter member for positioning about a portion of the bale, with the perimeter member defining an opening for at least partially receiving a portion of the bale. The apparatus may include a web mounted on the perimeter member and extending across the opening of the perimeter member. The web may have a periphery connected to the perimeter member, the web including at least one interlinked strand forming a plurality of holes, the at least one strand being flexible, the at least one strand being substantially unstretchable.