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Geopra is thin because of her diet or because of a cold.If it is caused by unhygienic diet, the best way is to pay attention to changing food, and dump what you don't have to eat every day, so as to avoid its deterioration.If it is because of a cold, you need to pay attention to the cold prevention, do not put the bird cage at the air outlet, and at the same time, you need to dry the bird's body in time after taking a bath.