In the late 1950s and early 1960s my uncle raised broilers. He had no automated feeders or waterers. He has been gone for quite a number of years but my cousin still lives on the farm. She converted the two broiler houses into equipment storage barns BUT because my uncle never threw anything...
I built a box that is 2' wide and 6' long out of 1"x6" treated lumber. I did not put a bottom in it but on top I put 1/2 square galvinized wire hardware cloth. I set it in the outside portion of the pen. I then filled it halfway up with potting soil. Then I liberally sprinkled oat and wheat...
If you have chickens you are going to have rats and mice unless you practice diligent rodent control. You may never see them as they are mostly nocturnal. They love all types of chicken feed.
I have been raising chickens off and on most of my life and I am 62 now.. I grew up on a small farm and we usually kept between 20 to 30 chickens pretty much all the time. Mostly Rhode Island Reds and white leghorns with a few bantams running around free ranging the barn area. I worked on an egg...
Unless you are preparing them for a show I would not wash them. By doing so you will wash off the natural oil on the feathers. When the weather clears up and the mud is all gone they will preen themselves all nice and shiny again.