L-thyroxine and thyroid stimulating hormone secretion rates of young adult and aged New Hampshire hens.
D000375:Aging; D000818:Animals; D005260:Female; D010902:Pituitary Gland / Q000502:physiology; D011200:Poultry; D012636:Secretory Rate; D013961:Thyroid Gland / Q000502:physiology*; D013972:Thyrotropin / Q000096:biosynthesis / Q000502:physiology*; D013974:Thyroxine / Q000096:biosynthesis / Q000502:physiology*
D013972:Thyrotropin; D013974:Thyroxine