There's something wrong with one of my Buff Orpington hens. I went outside to feed them scratch and all of the birds, except for one, started eating it right away. The one who didn't was just laying outside. I first thought she was laying on an egg so I picked her up (she didn't fuss at all and I thought that was weird) and there was no egg. I set her inside the coop and she just laid down. She won't/can't stand, is breathing pretty hard, won't eat or drink. I have no idea what's wrong.