Hi,
I'm so sorry for your recent loss.
I wish I could take them, but I have 19 myself and am currently treating for Coccidiosis.
I do have some friends in western MA that my take them if you can't find anyone.
Welcome to BYC! I am from Western Ma near Springfield as well.
I am so sorry to hear about your flocks mite problem. We use food grade DE around the coop and ash in our birds dust bath and they have been fine. Your birds must have a super mite that is immune. I wish I could help, but I...