It looks brownish white so I think she will be ready with 2 weeks or so. Start building your birds with breeding diet and they would be ready in a month time. They will breed regardless of the heat.
Just provide them with plenty of fresh water for drinking as well as bathing.
My Birds My Foods & Supplements Always treat your pets as family members. We sent thee not, but as a Mercy for all creatures (Quran 21:107) There is no creature on [or within] the earth or bird that flies with its wings except [that they are] communities like you. We have not neglected in the Register a thing (Quran 6:38)
