We've used this to rid our silkies of scaly leg mites. I found the dose for them for 5mg Pour on for cattle, to put 1 eyedropper drop's worth on their backs. That's for silkies. For larger chickens two drops. This is what convinced me to try it and I'm glad I did...
Thank you for the tag @Certified Chicken Lover
I am no expert but do know about my silkies.
By now you know, this is most likely a vitamin deficiency. We give ours Poultry Cell in their water about once every week or two, or whenever one starts looking awry, but with the issues as bad as...