I don't know how long she's been on goldfish, but it's not a good sign when a goldfish eater stops eating. Check out the thiaminase thread (
http://www.thamnophis.com/caresheets...?title=Thiamin,). It's good you've been mixing rodents with the goldfish, but I'd completely replace the goldfish just to be safe. If she shows any signs of lethargy or weakness, I'd take her in for a B1 shot right away.
Rick