My 3 yr old RIR has been acting strangely lately. She hasn't laid an egg in over a year, but for the last two days has been spending day and night in the next box. She does come down, however, when I let the girls out for "playtime". Just a few moments ago I picked her up and her crop was "bubbly" and full of liquid. When I touched it, she threw up a brown liquid. She doesn't seem interested in eating any treats or even scracthing around the yard.
Any ideas?
Any ideas?