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Effects Of Fescue Herbicides Plateau® And Cimarron® On Pregnancy Maintenance In Broodmares And On Alkaloid Concentrations In Endophyte Infected Tall Fescue, Kathleen Scarlett Black
Effects Of Fescue Herbicides Plateau® And Cimarron® On Pregnancy Maintenance In Broodmares And On Alkaloid Concentrations In Endophyte Infected Tall Fescue, Kathleen Scarlett Black
University of Kentucky Master's Theses
Ingestion of endophyte infected (E+) fescue by pregnant mares can cause significant reproductive problems. Plateau® and Cimarron® herbicides suppress fescue while leaving desired forages unharmed. To determine if these herbicides are harmful to pregnant mares, they were allowed to graze pastures treated with Plateau®, Cimarron®, or vehicle carrier. Pregnancies were monitored via ultrasonography, blood chemistry, and hematology. Of the components measured only creatinine differed among treatments over time (P=0.0003) and that increase was only significant in one of four studies.
Two additional experiments were conducted to determine the effect of the herbicides on alkaloids within E+ fescue. A greenhouse experiment …