A comparison of seasonal changes in the concentrations of androgens in the peripheral blood of wild and domestic ducks.
D000818:Animals; D013196:Dihydrotestosterone / Q000097:blood*; D004372:Ducks / Q000097:blood*; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D012621:Seasons; D013739:Testosterone / Q000097:blood*
D013196:Dihydrotestosterone; D013739:Testosterone; D007986:Luteinizing Hormone