Evidence of estrogenic stimulation in anestrous ewes pastured on ladino clover and birdsfoot trefoil, as revealed by vaginal smears.
D000818:Animals; D003271:Contraceptive Agents, Female; D004967:Estrogens / Q000032:analysis*; D030762:Estrous Cycle; D004971:Estrus; D005260:Female; D000070116:Lotus; D029902:Medicago; D010944:Plants; D012756:Sheep; D014626:Vaginal Smears
D003271:Contraceptive Agents, Female; D004967:Estrogens
ESTROGENS/determination; ESTRUS CYCLE; PLANTS/effects; VAGINAL SMEARS