This probably means graze to a height less than 3 inches. Consider dragging the field with a harrow after or as the seed is being broadcast. Many people are still hesitant to use it, because they remember old failures wires breaking, chargers starting fires, wet vegetation shorting out the fence and other troubles. With some commitment and a modest investment in time to learn how to use this new technology, you can save many dollars and many hours of maintenance time by making electric fencing work for you. Install at least three ground rods that are 6 to 8 feet long, galvanized, and attached to good ground clamps.
Poor grounding gives weak shocks.
Using different types of metals. This makes a poor contact and the shocking power is weakened. Inadequate animal training. Each and every animal must learn that the fence hurts. Build a handy training fence, preferably on heavy, wet soil.