I have a Pekin Hen, she is approximately 4 years old. A couple of months ago I noticed that she was spending a lot of time in the nest box. I didn't really think too much about it at the time. A few weeks ago I noticed that she had started limping. I checked her out to look for any injury but did not see anything obviously wrong. I thought maybe the drakes had been too rough and she sprained her leg or something, so I put her in a separate pen so that she could get a rest from the drakes and hopefully heal. She has not improved, in fact, she has gotten worse. She is no longer "limping", she can barely walk. When she does walk it seems like she is walking on tippy-toes with her neck stretched up tall. She also sticks her wings out to balance herself. She is still eating and drinking fine, and her poop is normal. She is not currently laying eggs, probably because she's sick. I have looked and looked online and in duck books to try and figure out what on earth is wrong with her. The only thing that I found that it could possibly be is arthritis. It seems to me that whatever is wrong with her, she must be experiencing pain. I read in several different sources that you can give poultry 4 baby aspirin dissolved in a gallon of water as their sole source of water and that will help with arthritis pain. I started her on the aspirin water about a week ago. Sometimes I think it is helping because she walks more normally but then sometimes I don't think it's helping much because of her strange behavior. Can ANYONE tell me what is wrong with my duck? Has anyone EVER witnessed a duck act in this manner?