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7. Shar Pei
Aww! Another cutie that makes their owner’s heart melt by simply looking at them, but the Chinese Shar-Pei is one of the worst-behaved dog breeds on the list! This breed needs a lot of mental activity because it is quickly bored and requires extensive training to behave accordingly.
You should be aware that due to all of its folds, adequate skin maintenance is required to prevent rashes and other skin conditions.
8. Border Collie
If you own a Border Collie, you’ve undoubtedly encountered some difficulties when teaching him. The worst-behaving breed in Britain has been dubbed this one. He may quickly become rebellious on a whim because he is an educated working dog with cattle-herding abilities.
This is particularly true if he is confined to a house in an urban area without the exercise and cognitive stimulation he was intended to have.