What's wrong with the fluffy feathers

The fluffy feathers of the Blau were because of the cold.It is more afraid of cold, so be careful in winter.First of all, you must put on a cage for a cage, so that you can keep warm, and at the same time, it is best to put it in the warm room, do not put it in the air outlet.Feeding is mainly made of mung bean noodles, corn noodles, cooked egg yolk and freshwater fishmeal powder. Drinking water should be avoided with cold water.You can take a shower once a week, but be sure to avoid cold.