The present disclosure provides a slat unit for a livestock barn that significantly reduces efforts in a laying operation and that is hygienic and highly durable. A slat unit 10 for a livestock barn made of stainless steel that is a preferable floor material at an excretion area in a livestock barn includes at least a plurality of elongated slat panels 12, one or more horizontal members 14 that connect the plurality of slat panels 12 arranged side by side in a crosswise direction and in parallel in a longitudinal direction of each slat panel 12. Both longitudinal sides of each of the slat panels 12 are mountain-folded to form side wall portions 16. An angle between a planar portion 15 of each of the slat panels 12 and the respective side wall portions 16 is smaller than 90.

Tile cleaning systems and associated methods are disclosed. The tile cleaning system can include a plurality of tiles and a plurality of movers. The movers can move the tiles along a floor in a circuit while the plurality of tiles directly contact the floor. The tile cleaning system can include a cleaner they can clean the tiles in the circuit.

The invention provides an apparatus and method for maintaining pet waste in a fully-encapsulated environment whereby waste may be removed and litter may be added/replaced in a substantially sealed, dust-free, and clean manner. In one aspect, the pet waste management system comprises a sealed means by which litter may added and/or removed and/or exchange with fresh litter without the substantial release of contaminated dust and materials from the litter system. The invention also provides a vessel or container for receiving spent litter and/or for housing fresh litter where said vessel or container comprises a connection means for sealably connecting the vessel or container to an enclosed pet management system so that litter may be added and/or exchanged therewith. Further, the invention provides a continuous bagging dispenser fitted to a pet management system which allows for continuous removal of pet waste from the pet management system.