My RIR mix ate clear thick GREEN HOUSE plastic. She pecked at it and pecked at it and chunks of the plastic were missing- caught her with a peice in her beak and chased her but couldnt catch her intime to yank it out.
....never saw it in any poo, I pooper scoop regularly and clean their coop often and NOTHING....
Sometimes chickens stomachs are like the Bermuda Triangle.....its eery what disappears down the hatch never to be seen again!
I know this was a scary event for you, but I have to admit that when I opened your post yesterday, I busted out laughing! I can so see one of my chickens doing the exact same thing, which is why I don't trust them with ANYthing that is inedible.
I'm sure she'll be fine, though!
One time I found my chickens eagerly devouring the little pieces of white stuff that you find in potting mix.....
Needless to say they are ok, but they got blocked out of that flower garden immediately! LOL