title: The duration of oestrus in ovariectomized Finnish Landrace and Scottish Blackface ewes following progesterone and oestrogen treatment.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology*; D004971:Estrus / Q000187:drug effects*; D005260:Female; D007273:Injections, Intramuscular; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology*; D012756:Sheep / Q000502:physiology*; D013997:Time Factors
chemical_list: D011374:Progesterone; D004958:Estradiol