Some cats are playful and affectionate with people. Others bite and scratch. Many cats do both.

Aggression is natural with cats. After all, they are predators by nature. Play is an expression of their predatory behavior. Biting and clawing are also instinctive reactions to protect themselves when cats are afraid or upset.

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Fido has been having difficulty standing up after lying down, and he hesitates to climb stairs. He limps or walks with a swaying motion, and he has developed an awkward, hopping gait when running. After your veterinarian examines your dog and does X-rays, you get the diagnosis: canine hip dysplasia. (more…)