My Golden Comet has been laying for three years now, she's always had lovely XL brown eggs, almost daily. The last 3 months I haven't seen her eggs. She's not very active anymore and has been spending her nights in a nesting box and not up on the roost. I went out to do a head count the other night before locking them up and she laid a liquid egg right Infront of me. Not even a soft shell, just yolk and whites. While the rest of the flock forages in the yard she's more likely to just pick a spot and either stand and sleep or sit to sleep. She still get excited when I walk out with the scraps bowl from the kitchen. Is she sick, or just old ?