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