Sheep, Female fertility, Pasture legumes, Trifolium subterraneum, Plant oestrogens
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ALTHOUGH it was first thought that all varieties of subterranean clover would cause ewe infertility, research in the last 10 to 15 years has shown that varieties differ in potency.
The relative level of potency has also been shown to remain consistent for any one variety under normal conditions.
Marshall, T; Fels, H. E.; Neil, H. G.; and Rossiter, R. C.
"Pasture legume varieties and ewe fertility,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 12
, Article 12.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol12/iss4/12