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Young dogs can react unpredictably to electric dog fences, so understanding a puppy's development is essential to deciding when to start training the animal with the fence and collar. Generally, puppies should not be introduced to electric dog fences until they're at least four or five months old.
Prepare for the Fence. Before installing an electric fence, check your county regulations to make sure you can use the fence in your area. Always purchase and install warning signs so that visitors to your garden will know about the fence and avoid it. You can purchase an electric fence kit from your local fence company.