My chicken has had crop problems for a long time and now she has been breathing raspy and having trouble swallowing her food. Her crop is huge and she is not doing well. Whenever I feed her she chokes down her food fast so I decided to scatter it around on the ground so she slows down. She still is having to swallow many times to get it down. I also don't know how to empty her crop. She is getting worse and is standing with all her feathers puffed up and her eyes half closed. I'm not sure what is wrong with her, but I don't want to lose her because I love her very much. Thank you for helping me!