Biliary excretion of insulin in the adult chicken

A novel insulin from the bullfrog: its structure and function in protein secretion by hepatocytes

“…Birds in general show a marked resistance to insulin and even very high levels of blood glucose fail to stimulate insulin release from the pancreas (Turner and Hazelwood, 1974). Insulin injections have a transitory effect on serum fatty acid concentration depending on the birds used.…”