I have read way too many topics with so much different advice, use Sevin, don't use Sevin, use wormer, etc. I would like someone to tell me what has worked for them. I have been checking my hens for mites on and off because they seem to always be preening, and have some feathers missing on the back of theirs heads, but I thought that could be from being in the coop on the colder days and pecking at each other, or from the rooster. Anyhow, I had an older hen that is always a little slower than the rest, and the last few days she went down hill fast, so I culled her. I then noticed mites on her breast, like I stated I have checked the other hens and can't visually see anything, but they are obviously there. So, what is the quickest, least painful, way to clean the coop and get the hens mite free? I have 35 hens, so a bath is really out of the question, besides it still gets quite cold here in the evening. Is it enough to clean the coop, dust with a product, and then dust the hens a few times? Or would it be advisable to use a womer as well. What is a safe wormer to use so you can keep eating the eggs? I am not an organic person, so using Sevin would not bother me, I just want to get rid of the bugs! My last question, where do they get the nasty things?? Thanks in advance!