Complete large macro sow limit bar size, lower price, high quality bar direct price limit sow sow bed capacity, location bar, bar manufacturers offer nursery bed, also known as high culture sows farrowing crates, sow mainly by positioning racks, fences piglets piglet incubator, fecal leakage flooring, sows and piglets fill the trough trough and other components. Role is to control the positioning frame sow sows freely regional and lying ways, there are bars between the fixed gear frame beds sows, piglets to avoid being crushed, trampled and crushed. The length of the spacer is generally 2.1-2.3 m, a width of 0.6 m and a height of 1.0 m. Limit the lowermost one frame welded curved railing above file column to protect piglets without affecting pigs feeding. Sow manger and drinking in front of the spacers. Piglets fence is to provide an active space for piglets and prevent running out. Walkways and partition fences have two. Walkways in favor of ventilation and observation, but not conducive to disease prevention. Bulkhead conducive to disease prevention, but the cost is higher, piglets fence length 2.0-2.3 m, width of 1.7-1.8 meters and a height of 0.5-0.6 m grid spacing not greater than 40 mm, and a drinking trough piglets up are housed in the rear fence for fecal irresolute defecation area in the rear of the pig production floor by the bed floor plastic floor and cast iron components. [1]