| 摘要 |
Pigsty building (2) has a bottom floor (3) with cellar (4) below which manure basins (5, 6) are positioned. Above floor (3 are partitions (7) for pigsties (8) for pigs (9). The sties have in floor (3) grids (10) placed above manure basins (5, 6). Foam generator (15) with pipes (17) feed the foam on top of the manure to provide a sealed surface.
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