The behavioural and vaginal response of the spayed ewe to oestrogen injected at various times relative to the injection of progesterone.
D000818:Animals; D002369:Castration; D004967:Estrogens; D030762:Estrous Cycle / Q000187:drug effects*; D004971:Estrus; D005260:Female; D006801:Humans; D011374:Progesterone / Q000494:pharmacology*; D012756:Sheep; D014621:Vagina / Q000187:drug effects*
D004967:Estrogens; D011374:Progesterone
CASTRATION/effects; ESTROGENS/effects; ESTRUS CYCLE/effect of drugs on; PROGESTERONE/effects; VAGINA/effect of drugs on