title: Effects of altered photoperiod on serum gonadotrophin levels and spawning in female rainbow trout [proceedings].
mesh_terms: D000818:Animals; D005260:Female; D006062:Gonadotropins / Q000097:blood*; D008027:Light; D010507:Periodicity; D012098:Reproduction; D012487:Salmonidae / Q000502:physiology*; D014337:Trout / Q000502:physiology*
chemical_list: D006062:Gonadotropins