Ovulation and artificial insemination rates have been observed to decrease in sheep and cows when exposed to dietary phytoestrogens at concentrations greater than 25 mg/kg DM. A grazing trial was undertaken to investigate the effects of coumestrol and other key phytoestrogens on the superovulatory response. embryo numbers and quality in beef cows grazing legume pastures. A 7-week cont... http://www.roneverhart.com/RCMA-KO-Series-Godets/