Today I noticed that my small frizzled cochin hen was gasping for air. I went to assist her and saw that her nostrils were clogged causing her to breath through her mouth in almost yawning motions. I immediately removed her from the flock and set her up in a pen alone in the front yard. She quickly stopped the "yawning" breathing and is back to breathing normally. Her nasal discharge has cleared up but her head smells SO BAD. I am very worried. I have since changed my clothes and washed my arm and checked the rest of the flock. Everyone else is completely fine. I put a healthy bird in the segregated pen with her but thy are not enjoying eachothers company and i fear now i cannot separate them. I figure if he gets ill too then it is contagious and i will have to cull. In the meantime is there ANYTHING else that could be causing my poor girl to smell so awfully? I have not introduced any new birds in a long time, or visted any other flocks in over two weeks, and even then i came home and changed my clothes and shoes and showered to be safe. I am at a loss as to what this could possibly be or how she could have gotten this way. Help?