Need help with my African grey parrot please?

I have a CAG. My sympathies for your losses. I have included a website that I think may help you understand what is going on with your birds and how treatment looks for birds with this disease. I would check out your male- if he has a cracked beak, he may have it too. It is highly contagious and deadly. Take a moment to check out the link below. I hope it helps.