Which fence design uses wooden braces set at angles so the fence slants outward and uses the three-dimensional nature to discourage deer from jumping?

• A. Permanent high-tensile electric fencing
• B. Offset or double fence
• C. Vertical deer fence
• D. Slanted seven-wire deer fence

Answer: (D)

The design tested is one that uses wooden braces set at angles to make the fence tilt outward, creating a slanted, three-dimensional barrier. That outward tilt changes the deer’s perception and adds a real physical challenge to jumping, because the barrier isn’t a flat, predictable surface—the angle and depth make it harder to judge distance and clearance, increasing the chance of a failed jump. The seven wires provide multiple height cues, reinforcing the barrier effect.

Other methods described rely on different principles: electric fencing deters with a stimulus, offset or double fences use two parallel barriers, and a vertical fence presents a straight, flat barrier. None of these employ angled braces to create an outward-slanting, three-dimensional structure.