Supplementary feeding trough convenient to fold and carry and capable of avoiding lamb feeding fight

The utility model discloses a supplementary feeding trough convenient to fold and carry and capable of avoiding lamb feeding fight, and relates to the technical field of livestock breeding. Comprising a bottom frame, an arc-shaped bottom plate is fixedly installed on the lower surface of the bottom frame, side plates are installed at the positions, close to the upper side edge, of the front side face and the rear side face of the bottom frame through first connecting mechanisms, an arc-shaped cover plate is installed at the position, close to the upper side edge, of the front side plate through a second connecting mechanism, and the rear side face of the arc-shaped cover plate is locked and fixed to the rear side plate through a first lock catch; end cover plates are installed at the positions, close to the upper side edge, of the left and right side faces of the bottom frame through third connecting mechanisms, a left supporting mechanism and a right supporting mechanism are installed at the left and right e