title: Progesterone treatment of mares with abnormal oestrous cycles early in the breeding season.
mesh_terms: D000818:Animals; D001947:Breeding; D004971:Estrus / Q000187:drug effects*; D005260:Female; D005298:Fertility / Q000187:drug effects; D006736:Horses / Q000502:physiology*; D007273:Injections, Intramuscular; D006080:Ovarian Follicle / Q000033:anatomy & histology; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D011374:Progesterone