What's wrong with the blue song 巴 tail hair?

Lan Ge's tail hair was lost because it was changing feathers.This kind of bird usually changes hair in July. When changing hair, you need to keep the hygiene in the cage. Regularly clean it, sweep out its feces and the feathers that fall off, otherwise it will breed bacteria.EssenceIn addition, it is necessary to supplement it with some highly nutritious foods, which will also help the growth of new feathers.