Good farm fencing surely makes good neighbors, and with the right livestock fences, you and your critters will experience the joys of low-stress livestock management. A one-size-fits-all solution to livestock fencing doesn’t exist — you’ll need different kinds of fences for different purposes. Fences work in two basic ways: physical and psychological. A 12-foot-tall stone wall in good repair will keep most animals in or out no matter how much they rub, scratch or try to climb it. Conversely, a fence created with a single strand of lightweight polywire conductor offers little in the way of a physical barrier, but it will serve as a psychological barrier after your animals have been shocked by it. The best fences integrate both physical and psychological components. Steel wire continues to be among the most economical materials from which to construct fences. Smooth steel wire is most often used to manufacture barbed wire or woven wire fence. Wire fences rely on braced end posts and line posts installed between them to support the wire. Posts can be made of wood, steel, plastic or fiberglass. Typical installations include braced 7- to 8-inch-diameter wood end posts with steel T-po...