bug eggs

Hi everyone! I recently treated my entire flock and every coop for what I thought were mites. I've used ivermectin and a single dose of elector psp that I bought. I see bugs on the eggs and my birds have eggs by their ears and faces. I am at a loss. The elector psp seemed to help a little, but...

My 7 week old duck, Dragon, has been injured by a hawk. Any tips on how to care for an injured duck? Anything to make him more comfortable or happier? He also has a lot of tiny but densely packed fly eggs deep in his feathers, any tips for that? They are stuck tight and I don‘t want to hurt him...