Feed trough for livestock breeding

The utility model discloses a feed trough for livestock breeding. The feed trough comprises an outer trough body, a feed trough body, an adjusting bin, a plug, a connecting rod, a reset spring and a supporting column, a feed port is formed in the upper end of the adjusting bin, and a discharge port is formed in the lower end of the adjusting bin; the plug is installed at the upper end of the connecting rod and located above the feeding port, and the trough body is installed at the lower end of the connecting rod and located below the discharging port. The supporting column is vertically installed at the bottom of the outer groove body, the supporting column is sleeved with the reset spring, and the material groove body is installed on the supporting column and can vertically move along the supporting column so that the plug can plug the feeding port or the material groove body can plug the discharging port. By the adoption of the trough, the amount of feed entering the trough at a time can be reduced, adjustm