A prefabricated fence that has 9 horizontal twines (8 conductive) is 35 in tall installed and has large white plastic vertical struts every 12 in. White PVC posts are built into the mesh every 12.5 ft. When energized, it is nearly an impenetrable mesh to sheep, goats, coyotes and dogs. The black and white colors provide 24/7 visibility to both humans and animals against light and dark backgrounds.