Hey- Just wanted to let you know you're not alone. It's been a year with no answer? Here's what I can share. My rooster has had this since I adopted him more than a year ago. I also adopted a number of other birds from that same flock. This past spring he started some rattling- a bit of a "cold" then it just went away, but the feathers on his neck just get progressively worse, now covering most of his neck in these ingrown feathers, where there are 3, four, as many as five, six feathers that unsuccessfully erupted. A hen from the same flock mid summer this year grew a ascite. She has this large squishy cyst like grown in her abdomen that her previous owner recommended I drain with a large hypodermic needle. I have had some wrinkled and some shell-less eggs all summer and a number of birds were mildly sluggish and there was some sneezing. Nothing spectacular, but the deformed eggs are a pain. I believe all these symptoms are indicative of Infectious Bronchitis. I'm open to other suggestions if anyone is listening. What I'm curious about is how your rooster is doing now and the rest of your flock as well?