1. Departments of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0306
2. Biochemistry and Anaerobic Microbiology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0306
3. Dairy Science, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0306