Infertility in ewes caused by prolonged grazing on oestrogenic pastures: oestrus, fertilization and cervical mucus.
D000818:Animals; D002582:Cervix Mucus / Q000378:metabolism*; D004967:Estrogens / Q000506:poisoning*; D004971:Estrus; D005260:Female; D005306:Fertilization; D007247:Infertility, Female / Q000209:etiology / Q000503:physiopathology / Q000662:veterinary*; D008297:Male; D010060:Ovulation; D010063:Ovum; D010939:Plant Poisoning / Q000503:physiopathology / Q000662:veterinary*; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology / Q000503:physiopathology*; D013094:Spermatozoa
D004967:Estrogens