Special feeding trough for miniature pig breeding

The invention discloses a special feeding trough for miniature pig breeding. The feeding trough comprises a cuboid-shaped feed storage bin, a cuboid-shaped feed containing groove is arranged in the feed storage bin, and the wall thicknesses of different places of the feed storage bin are the same. The notch of the feed containing groove is covered by a cuboid-shaped bin cover, a through feeding opening with the wave shape is arranged in the bin cover along the length direction of the bin cover, the wave crests and the troughs of the feeding opening are both arranged close to the edges of two sides of the bin cover, and the cross section of the feeding opening is shaped like an isosceles trapezoid with a wide upper edge and a narrow bottom edge. A circle of cuboid-shaped anti-overflow fenceis arranged at the periphery edge of the bin cover, and the top surface of the anti-overflow fence is in a circular arc shape. The top surfaces of the left end and the right end of the anti-overflowfence are respectively and