What's wrong with the Taiping Bird's Tail Mao?

The Taiping Bird's Tail has fallen because it is going to change the hair.This bird's hair changing period is May. During the period of hair change, it must be cleaned regularly, and the hair and feces that have faded down will be cleaned out to avoid the possibility of pollution to the environment and increase the possibility of birds' disease.At the same time, in order to make its new feathers healthier, it is best to feed some nutritious foods.In addition, it is best not to take a bath during the hair change to prevent it from catching a cold.