Also B vitamins are a natural appetite stimulant so get her on the B complex vitamins from TSC called Durvet liquid BComplex give her 1 ml daily over a tasty treat she likes so she gets the whole dose. The bottle will say injectable but just peel off the foil use a syringe or dropper and pull out 1 ml.
Here’s some poo pics
She’s probably score 2. She was always a slim small duck and now she doesn’t seem to be losing much muscle, but her legs look longer because her underside is flatter than normal. Thanks for all the tips and concerns.