High-Tensile Electric Fencing
High-Tensile is a good option for solid containment of animals, it's a little more maintenance to keep the fence line clear, so you don't lose any of the electric current in the fence due to brush and weeds growing against it. But It is a very economical option because the post spacing can be farther apart then your typical fence, and you don't need as many strands of wire.
You have the option of metal T-posts, wood posts, or even fiberglass posts. Our favorite is to use wood posts with fiberglass stays in-between the wood posts for a stabilizer.
The amount of wire strands on the fence is flexible, and can be adapted to meet your needs.
Here are a few options when it comes to the amount and spacing of the wire