Westerhof, I No evidence for diurnal variation in the responsiveness of the pituitary-adrenocortical axis of the pigeon (Columba livia domestica) to stimulation with adrenocorticotrophin and vasopressin. [electronic resource] - Avian diseases - 453-6 p. digital Publication Type: Journal Article ISSN: 0005-2086 Subjects--Topical Terms: Adrenal Cortex--drug effectsAnimalsArginine Vasopressin--pharmacologyCircadian RhythmColumbidae--physiologyCorticosterone--bloodCosyntropin--pharmacologyFemaleMalePituitary-Adrenal System--drug effects