title: The influence of photoperiod on nest building, ovarian development and luteinizing hormone secretion in canaries (Serinus canarius).
mesh_terms: D000818:Animals; D002171:Canaries / Q000502:physiology*; D004958:Estradiol / Q000494:pharmacology; D005260:Female; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D009425:Nesting Behavior / Q000187:drug effects; D009929:Organ Size; D006080:Ovarian Follicle / Q000187:drug effects; D010053:Ovary / Q000033:anatomy & histology / Q000187:drug effects / Q000254:growth & development*; D010057:Oviducts / Q000033:anatomy & histology / Q000254:growth & development; D010902:Pituitary Gland / Q000032:analysis; D011863:Radioimmunoassay; D013997:Time Factors
chemical_list: D004958:Estradiol; D007986:Luteinizing Hormone