virtual fence

This is a notional barrier established by selecting a set of GPS points which are then programmed into an collar fitted with a GPS reader and a device which gives an electric shock. The collar is placed around the neck of an animal usually kept in a fenced paddock and the device is triggered as the animal approaches the selected GPS points. The idea is that the animal will learn to respond to the electric shock conditioning by moving away from the virtual fence.

This system of virtual fencing does away with the need for real fencing which is costly. There are some concerns over the use of electric shocks to condition the animal. It has been found that while some cows learn quickly, others do not. Also collars on animals can be a danger to them and there is the possibility of malfunction. But then fences can fall down as well.