It is not necessary to fast a ferret for glucose testing, for a ferret
with insulinoma it is also dangerous.

http://www.afip.org/ferrets/PDF/insulinoma.pdf

extract from above...
>The practice of fasting prior to blood glucose test is controversial,
>especially during initial workup for hypoglycemia. The majority of
>insulinomic ferrets will exhibit hypoglycemia without fasting, and
>may be thrown into a crisis situation following a fast..
 
Tony (not a vet), Sugar and Suki.
In memory of Sally and  Sue.

[Posted in FML 5930]