title: Androgen steroids as an aid to the detection of oestrus in pig artificial insemination.
mesh_terms: D000336:Aerosols; D000728:Androgens; D000736:Androstenes; D000818:Animals; D004971:Estrus; D005260:Female; D005298:Fertility; D006914:Hydroxysteroids; D007315:Insemination, Artificial; D007664:Ketosteroids; D010675:Pheromones; D011247:Pregnancy; D012726:Sexual Behavior, Animal; D013552:Swine / Q000502:physiology*; D013997:Time Factors
chemical_list: D000336:Aerosols; D000728:Androgens; D000736:Androstenes; D006914:Hydroxysteroids; D007664:Ketosteroids; D010675:Pheromones