1. North Central Research and Outreach Center, University of Minnesota, Grand Rapids 55744
2. Department of Animal Sciences, Colorado State University, Fort Collins 50523
3. Department of Animal Science, University of Wyoming, Laramie 82071
4. Department of Animal Sciences, The Ohio State University, Columbus 43210
5. Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, Blacksburg 24061
6. Department of Animal Sciences, Purdue University, West Lafayette, IN 47907
7. Western Kansas Agricultural Research Center, Kansas State University, Hays 67601
8. North Florida Research and Education Center, University of Florida, Marianna 32446
9. Department of Animal Sciences, University of Wisconsin, Madison 53706
10. Department of Animal Sciences and Industry, Kansas State University, Manhattan 66506