Agriculture and Agri-Food Canada, Lethbridge Research Center, Alberta and Pacific Agri-Food Research Center, Summerland, British Columbia
www.agr.gc.ca

Colorado Quality Research, Inc., Colorado

Kansas State University, Manhattan, Animal Science and Industry
http://www.asi.k-state.edu/DesktopDefault.aspx

Kerr Center for Sustainable Agriculture, Poteau, Oklahoma
http://www.kerrcenter.com/natural_livestock.htm

Mississippi State University, Prairie Research Unit
http://msucares.com/nmrec/stations/prairie.html 

Middle Tennessee State University, Murfreesboro
http://www.mtsu.edu/

National Research Council of Canada, IMB, Halifax, Nova Scotia
http://www.nrc-cnrc.gc.ca/

North Dakota State University, Fargo, Animal and Range Sciences Department
http://www.ag.ndsu.edu/ars/

Nova Scotia Agricultural College, Truro, Plant and Animal Science, Nova Scotia, Canada
http://nsac.ca/pas/staff/dp/

University of Guelph, Guelph and Ridgetown Agricultural College, Ridgetown, Ontario
http://www.uoguelph.ca/research/stations/ridgetown.shtml

Tarleton State University, Stephenville, Texas, Department of Animal Sciences, Swine Unit
http://www.tarleton.edu/~anmsci/

Texas Tech University, Lubbock, Department of Animal and Food Sciences, Department of Plant and Soil Sciences, and Range, Wildlife, and Fisheries Management
http://www.depts.ttu.edu/afs/

University of Arkansas, Fayetteville and Little Rock, Division of Agriculture
http://division.uaex.edu/

University of Arizona, Tucson, College of Agriculture and Life Sciences
http://ag.arizona.edu/

University of Florida, Gainesville, Department of Animal Sciences
http://www.animal.ufl.edu/

University of Missouri, Columbia, Department of Animal Science
http://animalsciences.missouri.edu/

USDA-ARS, College Station, Texas
http://www.ars.usda.gov/main/main.htm

Virginia-Maryland Regional College of Veterinary Medicine, Blacksburg, Department of Large Animal Clinical Sciences
http://www.vetmed.vt.edu/org/dlacs/index.asp

Virginia Polytechnic Institute and State University, Blacksburg, Department of Animal and Poultry Sciences
http://www.apsc.vt.edu/ 

College of Veterinary Science, India, Department of Pharmacology and Toxicology