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Here Are The 30 Worst Dog Breeds For Retirees

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21. Briard
This shaggy dog has the obvious need for constant grooming. But beyond that, the Briard is a large breed that can act out if not properly exercised. The Briard is a herding dog, who will try to herd anything, including children and other animals. It is also a strong-willed breed that can be difficult to train.