I quarantined a new roo and he seemed healthy. No outward signs of disease. He's been with the flock for 2 days, and today one of my hens was very quiet. It could be unrelated, but she was laying quietly while the others ranged and I found her sleeping in the nest box instead of roosting tonight. No other signs, yet, but any ideas? Anything have that short of an incubation? There were no eggs under her, so I don't think she's broody. She's a 9 month old Easter egger. My flock otherwise is healthy. One other bird has a dirty butt, but she's had it for at least a week or two, much longer than since I introduced the new bird. This hen was one of the first that the rooster bred. He's bigger, could he have hurt her? Any thoughts are greatly appreciated!!