1. USDA–ARS, Roman L. Hruska U.S. Meat Animal Research Center, Clay Center, NE
2. Department of Animal Science, University of Wyoming, Laramie, WY
3. Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA
4. Department of Animal and Range Sciences, Montana State University, Bozeman, MT
5. USDA–ARS, U.S. Sheep Experiment Station, Dubois, ID