title: Diurnal variation in plasma luteinising hormone levels in the domestic fowl (Gallus domesticus).
mesh_terms: D000818:Animals; D002645:Chickens / Q000097:blood*; D002940:Circadian Rhythm; D003624:Darkness; D004780:Environment, Controlled; D005260:Female; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D010060:Ovulation
chemical_list: D007986:Luteinizing Hormone