Well, I'm not sure on the breed, she looks like a mix to me. But with nothing unusual happening in her environment, and everything else sounding fine, there really isn't anything to point out a problem. The only thing that I would personally do is cut back on her foraging/treats for awhile and...
Well it sounds like everything is fine and nothing abnormal is going on. She could very well just be waiting to lay again, for whatever reason, but it doesn't sound like she has any issues, or anything in her environment is keeping her from laying. She is just going to be a late bloomer. If you...
Well, lets see if we can figure this out. How old is she, what breed is she, and what region are you located in? What are your highs right now? Sometimes it can take a long time for another egg. It's not all that common, but I have heard of it before. Do you currently have her on any lay...