I agree with the above posts, as long as she isnt losing much weight, its just not that uncommon for BPs to stress us out with going off feed.

If you want to try the tuna method after giving her alittle time to deal with follicles if their are any, or just to chill and destress. All I did with mine was mostly drain the can of tuna, put about half of it in a Tupperware container and let the mouse sit in it for a few mins <closed lid of course> The F/T I just tossed in a plastic baggy with drained tuna, on the way into their room for feeding time. Removing both from the baggy/Tupperware before placing into her container of course.

You might even want to just go ahead and give her two weeks before offering again.