older ferret twitching and not responding

Answer 1

Foods high in carbohydrates (sugar - ferret treats) causes insulinoma in ferrets. Insulinoma causes seizures that sounds like what your ferret may have. To bring her out of a seizure rub a little honey or Karo syrup on her gums. Most ferret can take temperatures up to 80 degrees, I'm in Texas and have had no problems with my ferrets in temperatures up to 85 degrees. But temperatures with high humidity can affect ferrets as well