Its time to worry if she is lethargic, sits low in the cage, shuts her eyes during the day, etc. But the problem is that if she has eggs to lay and reaches this point its usually too late to save her by spaying her.
If she's not eating, you can't expect her to be pooping....so I suppose you really need to know why she's not eating.
If she's not eating, you can't expect her to be pooping....so I suppose you really need to know why she's not eating.