title: Effect of an oral progestin on the estrous cycle and fertility of mares.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D004963:Estrenes / Q000008:administration & dosage*; D004971:Estrus / Q000187:drug effects*; D004973:Estrus Synchronization; D005260:Female; D005298:Fertility / Q000187:drug effects*; D006736:Horses / Q000502:physiology*; D007314:Insemination; D010060:Ovulation; D011247:Pregnancy; D045167:Progesterone Congeners / Q000008:administration & dosage* / Q000494:pharmacology; D014204:Trenbolone Acetate / Q000008:administration & dosage* / Q000031:analogs & derivatives / Q000494:pharmacology
chemical_list: D004963:Estrenes; D045167:Progesterone Congeners; D014204:Trenbolone Acetate