How VERY interesting! I hope you don't mind but I am now going to have to pick your brain
Did you ever learn what kind of autoimmune condition she had? Or, at least, whether it was spontaneous or toxin-related? I know of three spontaneous kinds in birds: one related to the thyroid that causes obesity, one that is similar to humans' scleroderma (hardened skin patches) and one that has symptoms similar to vitiligo (depigmentation) but also cause blindness. Can you tell me what were her symptoms? And what was the disinfectant supposed to do? Was she on any medicine, supplement or special diet?