An otter can squeeze through a hole of 10cm (4”) in diameter/square in shape. As a result, the maximum hole size for otter-proof fencing is 75mm (3”) square, and there must be no gaps larger than 75mm (3”) in the fencing, including joins at gates and the bottom of the fence. Otters will not be deterred by post and rail fencing, strand wire, or regular stock netting, among other methods. Because individual wires cannot be pulled apart to enlarge the gap, a high tensile mesh will ensure that the fence is sufficiently resistant. When electric fencing is utilized in conjunction with mesh fencing, an otter will be discouraged to a far greater extent.
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Silky Terrier Dog Breed Playing AroundOtters are excellent climbers and, if determined, can even overcome a 1.5m (4’11”) high fence using only footholds. A high, sheer fence with no footholds can also be used, albeit it is more expensive and inconvenient, as well as less durable if built of wood. Ascertain that there are no nearby qualities that could aid an otter in climbing, such as a leaning tree.
An otter, particularly in soft terrain, is capable of digging under a fence. For example, rabbits, badgers, and foxes may burrow beneath fences, creating openings that an otter can exploit. Apron of mesh fencing must be dug vertically or twisted horizontally along the ground at the bottom of the fence to ensure that it is securely attached to the ground at the bottom. Additionally, the fence can be constructed on a sturdy foundation that cannot be pulled up. An additional deterrent is a low-hanging electric fright wire in front of the fence.
An otter is a huge (up to 10kg) and powerful animal capable of knocking down low-quality fencing by standing on its hind legs and leaning/stretching it. A wire mesh gauge with a minimum diameter of 1.1mm is required. Sufficient protection is provided by a high-quality rabbit net. When constructing a mesh fence, it is preferable to use high-tensile line wire rather than mild steel. Mesh fencing should be connected to the outside of fence posts in order to provide the greatest amount of strength. The fence posts must be sufficiently sturdy and spaced sufficiently apart to maintain the fence tautly.
You can use these methods to prevent otters from climbing fences.
- Gates should be hung such that when they’re closed, there’s no gap larger than 50mm on either the hanging or clashing side, or underneath the gate, where an otter may get in. Also, make sure the gate has a firm base beneath it to prevent an otter from digging underneath it.
- Make it clear on your gates that they must always be kept firmly closed, and ideally include a self-closing system. Replace any signs that are damaged or missing, and make sure that all members and visitors are on the lookout.
- Consider using combination locks on gates that aren’t used frequently.
- Look for rabbits, badgers, and other animals digging in or out of possible access places.
- Unfortunately, purposeful vandalism of fence lines has resulted in holes being cut through the fence in several instances. Maintain vigilance and try your best to keep good connections with your neighbors!
- Make it a habit to inspect your fence on a regular basis. Having one or a small group of people conduct this on a regular basis can help to ensure that any concerns are caught early.
- It is critical that the power supply is both adequate and maintained, as well as set on a fast pulse, for those sites that employ either conventional electric wire fences (whether single or multiple lines), temporary electric netting, or electric scare wires in addition to a ‘barrier fence. Maintain tension along the plain wires and avoid allowing too much space between them.
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