Navigation bar can be done because regular quantitative, small footprint and ease of management recognized by the majority of farms. Due to the long-term breeding incorrect, foreign pig motherhood is reduced in the course of their activities easily crushed piglets. To reduce the possibility of crushed piglets of sows, and now the vast majority of farms using the navigation bar restricts the movement of the sow. Using the navigation bar, not only sow bedsores and shoulder ulcers possibility to further increase, while also reducing the piglets inherited immune sows. 11 as a group, for 10 sows. Sow prenatal seven days into the location bar of miscarriage. Specifications of the column there: 2100mm * 6000mm sow navigation bar is large-scale, a product of intensive pig. Advantages sow location bar: 1. saving footprint, increase the number of units of keeping the head, for intensive farming. 2. Ease of feeding and management, to facilitate feeding and manure cleanup, reduce labor intensity. 3. easy to statistics, sows live in positioning column glance, statistics listing, less error-prone. 4. Avoid sow strife and reduce abortion rates. Gao Pei navigation bar navigation bar size and sow the same, but you can easily move, the difference is in the middle of the navigation bar to add an arch lifting frame, after the gilts driven into the navigation bar, the lifting frame set in the small female Pig back forward fixed, one portion is inserted beneath the sow to prevent a wooden back. Then came the big boar breeding is. No matter how big boar sow will not crush. One-man operation, it is convenient to use this method also solves the sow hurts, climb down the boar sow sow walking problems