Abstract: An electric fence is provided. The electric fence includes a plurality of panels that are releasably connected to one another to form at least a partial enclosure. Each of the panels has a frame that includes a top horizontal member, a bottom horizontal member, and two side vertical members. The panels are arranged side by side such that the vertical members of adjacent panels are releasably connected to one another. The frame carries a wire member that is electrically conductive for use in delivering an electrical shock to livestock that comes into contact with the wire member.