Simple to erect, easy to maintain and relatively inexpensive to buy - electric fencing has a lot to offer when it comes to restraining livestock. Using electricity to discourage livestock from wandering beyond their rightful boundaries is not new - far from it. But today's modern systems are more reliable and efficient than their forebears ever were. Now there are, for example, "intelligent" systems that can detect electrical loading, vary pulse rates and activate an alarm when malfunctioning. Thereare also systems that can be set to control specific classes of livestock and ones designed for permanent or temporary use. Electric fencing may have come of age, yet, within its electronic innards, the way it produces pulses of high voltage electricityremains fundamentally the same.
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