1. Department of Animal Sciences, Colorado State University, Fort Collins, CO, USA
2. Ralph E. Martin Department of Chemical Engineering, University of Arkansas, Fayetteville, AR, USA
3. Southern Plains Range Research Station, USDA Agricultural Research Service, Woodward, OK, USA
4. Pasture Systems and Watershed Management Research Unit, USDA Agricultural Research Service, University Park, PA, USA
5. Department of Animal Science, University of California–Davis, Davis, CA, USA
6. Department of Animal Science, Texas A&M University, College Station, TX, USA
7. Department of Wildland Resources, Utah State University, Logan, UT, USA
8. Department of Animal Science, The Pennsylvania State University, University Park, PA, USA
9. Department of Agricultural and Applied Economics, University of Wyoming, Laramie, WY, USA
10. Department of Ecosystem Science & Sustainability, Colorado State University, Fort Collins, CO, USA
11. Department of Crop & Soil Sciences, Colorado State University, Fort Collins, CO, USA