Winter puppy shivering because of the cold, in the winter dog leg cramps or shivering are normal phenomena, winter as long as the dog a warm nest on it, if it is to the summer, we must pay attention to the dog’s situation, may be a physical problem, to go to the hospital in time for examination. Dogs lack of calcium, this is also relatively normal, because the dog if long-term lack of calcium supplementation to reach a certain stage, it will cause leg weakness, will occur cramps or shaking.
