title: Sexual behaviour of bulls at pasture: a review.
mesh_terms: D000818:Animals; D002417:Cattle; D004971:Estrus; D005260:Female; D008297:Male; D010675:Pheromones; D011247:Pregnancy; D012726:Sexual Behavior, Animal / Q000187:drug effects; D014796:Visual Perception
chemical_list: D010675:Pheromones