White vinegar is sometimes suggested as a homemade deterrent to stop dogs from chewing on wood. The strong smell and sour taste may be enough to put some dogs off. However, this method isn’t always ...

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Depending on the size of the dog (or dogs) you’re trying to deter, fencing off the area you want them to avoid may be the most effective solution. It’s certainly the most permanent.

Like dogs, cats have a strong sense of smell and dislike anything that tastes bitter. Since your pet has such a strong sense of smell, taste deterrents work through your pet's sense of smell.