Hi all I have a 16 by 8 run with sand on the ground. Also I have an 8 by 4 house for my 14 chickens to go in at night. I am very new to chickens. I have had my 14 birds for 10 months and now I am finding diseases. To start out all of my 14 birds have their backs bare because they all peck at each other. I have tried Rooster Booster it helps for a day then they just eat it or sand gets all over it and I don’t have the time to do it to all 14 bird ever day either. They also eat feathers and I hate seeing this. As well at I think that me birds have leg mites I have tried Vaseline but the birds just eat it off or the sand get all over it. I also bleached there house down with soap and water and I scrubbed it all down also I clean out there nesting boxes ever time it needs more shavings which is ones a week. One more thing some of my birds have a hard core of their foot and it is like had poop and sand and other stuff on it I don’t know what to do about it. I love my birds I just don’t know what to do and it is very stress full. Can someone please help me?