Lazy Gardener you use electric netting from premier?
I have regular glass window panes with hardware cloth on the inside with it attached to the frames then sandwiched with a nailed down wooden batten. does that make sense. my brain doesn't want to work right now.
My window set up is similar. The glass panes tip out, and there is 1/2" hdw. cloth covering the window opening from the inside.
I used Premier 1 electronet for a few years, until hawk predation forced me to abandon it and build a covered run. I still have the electronet, and intend to use it this season to expand the run to give the lawn a break from the many #'s of chicken bombs. I don't mind walking through the mine field, but hubby does not have the same tolerance level. So, compromise is the name of the game.
I would put her down. I'm sure she has had an amazing life... I would not want her to suffer any more.
Then we go out and shoot them. Last night I got a combo of a opossum and coon in there at the same time! 

I ain't eating any of them sick things!