Chicken wire might not be strong enough to hold their weight,
and the holes a bit large.
Here's some brief info and a link about grazing frames:
Looked closer at the roosts, spread them out some.
30cm from walls and apart if possible...can't seem to find the dimensions of coop.
...and might 'clutter' up the run a bit :
Pics of your coop and run would be helpful here.
Does feed have a tag listing the percentages of protein and calcium.
It's required in the USA.
Where in this world are you located?
Climate, and time of year, is almost always a factor.
Please add your general geographical location to your...