Lice? Yeast infection? Egg bound? Help!

[Needmorechickens]

I have 4 Guinneas and 36 chickens 2 Roosters and 2 baby roosters...this is the only bird that looks like this! I have removed her from the flick.... the white stuff is Diatomaceous earth mixed with wood ash.... I have sprayed all coops with Permethrin spray.... any other ideas?

 

[nuthatched]

I think I see lice nits, can you get closer pictures, please?

 

[Needmorechickens]

I think I see lice nits, can you get closer pictures, please?

I will try to I hava a close up of a feather