Seasonal variations in the circulating concentrations of growth hormone in male Peking duck (Anas platyrhynchos) and teal (Anas crecca); correlations with thyroidal function.
D000818:Animals; D001683:Biological Clocks; D004372:Ducks / Q000097:blood*; D005260:Female; D013006:Growth Hormone / Q000097:blood*; D008297:Male; D012621:Seasons; D013974:Thyroxine / Q000097:blood*
D013006:Growth Hormone; D013974:Thyroxine