title: Reproductive physiology of the stallion. VIII. Artificial photoperiod, collection interval and seminal characteristics, sexual behavior and concentrations of LH and testosterone in serum.
mesh_terms: D000818:Animals; D006736:Horses / Q000502:physiology*; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D012621:Seasons; D012661:Semen / Q000166:cytology* / Q000502:physiology; D012726:Sexual Behavior, Animal; D013048:Specimen Handling / Q000662:veterinary; D013081:Sperm Motility; D013094:Spermatozoa / Q000166:cytology; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D007986:Luteinizing Hormone