I bought a huge standard cochin from breeder about 3 months ago. The day I went to pick him up she had bathed him and said she found a "few" mites. She sprayed him with Frontline on the neck, under his wings and around his vent. She said that would be it for mites. I had 8 hens and no knowledge of mites or lice so thought it's no big deal. All during quarentine (sp) I did not notice any bugs on him, but he is soo feathered I'm not able to see all over his body. I wasn't long after he was with my bug free hens that they were all crawling with them. I bought poultry dust and had had them on a 7 day dusting rotation for 4 times and never saw a change in the amount of infestation. I've changed shavings and sprayed the coop with liquid seven. I even sprayed the flock with Adams spray. It worked great but you have to be so careful not to use to much that there's no was to saturate their feathers. Do you know if I can use a vet shampoo designed for dogs or cats who have either mites or lice on chickens? Any help would be great.