title: Seasonal changes in sexual activity and serum levels of LH and testosterone in Finnish Landrace and Suffolk rams.
mesh_terms: D000818:Animals; D005260:Female; D007989:Libido; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D012621:Seasons; D012726:Sexual Behavior, Animal; D012756:Sheep / Q000502:physiology*; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D007986:Luteinizing Hormone