We have a White Rock, 1.5 years old. 3 days ago I noticed her walking around, carefully and her tail is down. She seems a bit slow but still getting around. She is sleeping on the floor of the coop. Normally she sleeps in a box or on a roosting pole. I picked her up tonight to check her bottom because her feathers seemed very dirty with poo. In checking her vent, it feels like she has an egg stuck!! Is this possible? The vent looks like a slit, instead of round puckery, and it is bulgy underneath the vent. If she is egg bound, can I help her? Please help and I thank you in advance. She is 1 of 7 birds. The others are all fine.