Found this on a Traditional Chinese Medicine site:
"Properties:
Sweet in flavor, warm in nature, it is related to the channels of the spleen and stomach.
Functions:
Warms the middle region, benefits the spleen, nourishes qi and the blood, tonifies the kidneys and semen, brings down heat of the deficiency type.
Applications:
Black-bone chicken is used for treatment of hectic fever, diabetes, lingering diarrhea due to hypofunction of the spleen, dysentery, metrorrhagia (edited out some iffy info that is not family appropriate)
It can also be used for the treatment of asthenic diseaese, soreness of waist, leg pain, etc.
Dosage and Administration:
To be eaten stewed, stir-fried, in soup or used as an ingredient of a prescription. It is used in most of tonifying medicated diets."
...silkie, its whats for dinner.