There is no link to where the info in the FAQ is from though?
No. I imagine it must have been correct to be stickied but worth checking out for an update if needed.
Hopefully she'll start eating a bit more to compensate and keep her weight up.
Yes FX for you. Not sure how often you get her weighed, in the UK we are advised not to weigh too frequently as weight fluctuation can cause worry - as if we don't worry anyway!