Hi all, I inherited a flock of silkies with bad scaly leg mites. I have given them pour on ivomectin from the vets once a week for the last 4 weeks. I'm confused from the information I have read as to whether 4 doses is enough or whether I should continue to treat until all raised scales have gone. They all clearly show improvement but most legs still look dry and have some raised scales. Thanks for your advice.