1. Grazing Persist Orchardgrass John C. Waller Associate Professor Animal Science University of Tennessee

2. Pasture Systems at Ames Plantation Each forage has three 3-acre pastures Forage Treatments: Persist Orchardgrass Persist Orchardgrass with white clover Kentucky-31 Tall Fescue – Endophyte infected (E+) Jesup MaxQ Tall Fescue All pastures were fertilized in Sept and allowed to stockpile growth until grazing was initiated.

3. Steers Grazing Pasture Systems at Ames Plantation All steers were weaned for 30 to 45 d prior to start of grazing Stocking rate was 5 steers/3-acre pasture Steers were weighed in early morning on 21 day intervals Grazing seasons: Fall/Winter – Dec 17, 2003 to Mar 10, 2004 Spring – Mar 10, 2004 to June 23, 2004

4. Animal Weights Forage TreatmentInitial Weight Persist591 lb Persist + Clover596 lb Ky-31 FescueE+590 lb Jesup MaxQ595 lb

5. Animal Weights Forage TreatmentFinal Weight Persist788 lb Persist + Clover800 lb Ky-31 FescueE+769 lb Jesup MaxQ819 lb

6. Weight Gain/Animal Forage Treatment Total Weight Gain Persist197 lb Persist + Clover204 lb Ky-31 FescueE+179 lb Jesup MaxQ219 lb

7. Steer Average Daily Gain Forage Treatment Fall/winter ADG Persist0.88 lb Persist + Clover0.81 lb Ky-31 Fescue E+1.19 lb Jesup MaxQ1.16 lb

8. Steer Average Daily Gain Forage TreatmentSpring ADG Persist1.18 lb Persist + Clover1.33 lb Ky-31 FescueE+0.75 lb Jesup MaxQ1.21 lb

9. Steer Average Daily Gain Forage Treatment Total ADG Persist1.05 lb Persist + Clover1.10 lb Ky-31 FescueE+0.95 lb Jesup MaxQ1.18 lb