title: Blood serum testosterone after sexual preparation or ejaculation, or after injections of LH or prolactin in bulls.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D002940:Circadian Rhythm; D004542:Ejaculation; D007275:Injections, Intravenous; D007986:Luteinizing Hormone / Q000008:administration & dosage* / Q000097:blood; D008297:Male; D011388:Prolactin / Q000008:administration & dosage* / Q000097:blood; D011863:Radioimmunoassay; D012726:Sexual Behavior, Animal; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D011388:Prolactin; D007986:Luteinizing Hormone