I’ve experienced similar weight losses from those long fasts but never a dramatic all at once at the end like that, hopefully there might have been an error possibly on an earlier weigh in? As far as the shed goes, that’s usually a sign that the fast is coming to an end in my experience, I’ll have to double check my records. But after their shed, it seems they still take a couple of weeks till they finally start to take again. At least that’s been my experience so far. I’ve even stopped offering immediately after even a regular shed, and have learned to wait at least a week. Good luck and hopefully within a week or two she’ll return to eating.