title: The effects of castration on concentrations of luteinizing hormone in the plasma of photorefractory red grouse (Lagopus lagopus scoticus).
mesh_terms: D000064:Acclimatization; D000818:Animals; D001717:Birds / Q000097:blood*; D002369:Castration; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D013997:Time Factors
chemical_list: D007986:Luteinizing Hormone