I am a new chicken owner. My girls are just over 5 mos old. One of them started laying last week. She laid 5 eggs in 6 days, no apparent problems. Well, now she has gone three days without laying. She did spend a couple of hours in the nesting box yesterday, but no egg. Should I be worried? She seems fine, eating, drinking, pooping, walking fine, looking for bugs... Just wasn't sure if in the beginning, they could be erratic like this...