new to site would like some info on my hensplz

[redstarray]

hello out ther im new t to this site and am not sure if im doing this right but here goes
i have 12 hens in avery large run recently they are getting bare bottoms and backsi took pictures with my digital camera to the guy at the feed store and he gave me a powder for mites ive put the powder everywhere in the nesting boxes the coop etx i bathed each hen and used a eukaliptus oil on the combs and legs and sread some kinda black salve on them i also bough some kinda feed block oyster shells and a higher protien feed its getting worse and now there eatint there eggs i have no idea wut is going on anyone possably have an idea????

 

[CapricornFarm]

Do you have a rooster ? He may be taking feathers off the hens when he breeds them. What are you feeding your chickens?

 

[redstarray]

i have one rooster (that i know of that crows) and is another pen bye itself the guy at the feed store had me buy turkey feed for higher protien . so they have the shells turkey feed and the feed block.